How To Fix Repair Generate Invalid IMEI Tutorial On MediaTek / MTK Phones

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Repair and fix IMEI MT6752, MT6732, MT6753 64-bit SoC phones as well as IMEI on MTK / MediaTek MT6589 MT6589T MT6592 MT6595 MT6572 MT6582 MT6577 MT6516 phones,

This tutorial will show you several ways to repair the invalid IMEI on an MTK / MediaTek phone. We’ll start with one of the easiest. It requires a simple app install, a few taps and one line command.

Before we start, download the engineer app, install and run.

mtk-imei-7

Select Engineer Mode
Select Engineer Mode MTK
Select CDS Information from the Connectivity tab
Select Radio Information
Select the SIM you wish to change the IMEI on
At the AT+ line for SIM 1, enter AT+EGMR=1,7,”THE-FIRST-IMEI-NUMBER”. For SIM 2, enter AT+EGMR=1,10,”THE-SECOND-IMEI-NUMBER”. Of course where the words are, you will enter a number.
- NOTE: Do not forget the quotes surrounding the number
- NOTE: If you get an error regarding “this command not allowed in user build”, then put a space after AT, so it reads for example AT +EGMR=1,7,”THE-IMEI-NUMBER”

mtk-change-imei-6

For step #6, you should enter the IMEI from the box of your phone or information under the battery. In some cases, a dual SIM phone will have the same IMEI for both SIM slots.

In the case that your carrier doesn’t allow this, or if you have some other reason you need to change the stock IMEI, you may need to generate / calculate / find a new IMEI with the correct checksum / check digit on your MTK6589 MTK6589T MTK6592 MTK6595 MTK6572 MTK6582 MTK6577 MTK6516 phones. To do so, follow the instructions in this post at the forum.

This is only one method of many. I will be adding more methods over time to this post. In the meantime, if this doesn’t work for you, please see this search at our forum for more methods.

There are also situations where simply changing the IMEI doesn’t work regardless of method you use to change it. In that case, you may need to restore your NVRAM from a previous backup or from a friend’s backup.

fix imei invalid mediatek mtk phones repair tutorial

Comments

97 responses to “How To Fix Repair Generate Invalid IMEI Tutorial On MediaTek / MTK Phones”

July 7, 2014

Eddy

gazab guru gazab
mera problem solve ho gaya

Reply
1. February 28, 2015
  
  adil shah
  
  pls bhai bta na yaar how?????
  
  Reply
July 7, 2014

MichaelM

I have a Star N9500 (malware/spyware/virus free from day one, incidentally) and just performing a factory reset wipes the imei numbers, requiring them to be flashed from backup using the method above.

Another method I used previous to this one required a program called “droid tools” which allows each imei to be entered manually. Like the method above, a reboot is required for the change to take effect.

But why does this imei loss happen in the first place? I’m a serial tinkerer and enjoy any opportunity to fool around with my phone. I’ve lost count of the number of times I’ve flashed a new rom or opened it up to have a look at the components. Like many other owners, I’ve fallen foul of the inevitable cracked screen on my N9500 due to the glass not being toughened. But unlike the vast majority of those unfortunate owners, I have simply ordered and fitted a replacement rather than suffer on. But when it comes to the internal rom on these phones, I am clueless when it comes to the actual android modifications made to the custom roms I’ve installed. Almost all of these are customised versions of roms which have shipped with other Chinese phones with the same chipset or merely with a new skin applied. But each rom comes its own unique coding bugs, leading to hardware component failure, such as gps not working etc. And, of course, the imei loss.

Needless to say, I have always reverted to the rom which shipped with the phone as it just seems to work much better than any custom version. But the imei loss always remains even after reverting to the factory rom or flashing an nvram backup. So something fatal has to have happened for this to occur. It would be nice for the manufacturers to say what causes this and how it can be permanently repaired. But they seem to court anonymity with none ever issuing so much as an update.

Reply
1. August 27, 2016
  
  Jakub Sadowski
  
  The file MP0B_001 in /nvram/md/NVRAM/NVD_IMEI/ (unaffected by factory reset) and /data/nvram/md/NVRAM/NVD_IMEI/ (replaced with previous after factory reset) gets wiped out. This file stores the IMEI in MediaTek-based phones.
  
  Reply
August 12, 2014

stotrapama sharma

my s5 clone doesnt show this cds thing at all after downloading engg app also
cn smebdy hlp n ani oder way

Reply
1. August 13, 2014
  
  Damian Parsons
  
  You can try to write IMEI or restore NVRAM with MTK Droid Tool.
  
  Reply
  1. August 25, 2014
    
    Ameen Ca
    
    good work
    
    Reply
August 29, 2014

ali haider

i have samsung win my i rooted it and it gives invalid imei and sim not inserted i trid this method but when i press send it says send erorr and my radio state is off help me plz

Reply
1. August 29, 2014
  
  Damian Parsons
  
  You may need to restore the NVRAM. In that case, you will need someone else with the same phone to do a NVRAM backup for you with MTK Droid Tools.
  
  Also a full factory flash of the stock firmware may have the NVRAM included.
  
  Reply
  1. June 23, 2015
    
    easter
    
    i follow instructions and done my work but my network signals are not working properly Q Why..?
    
    Reply
August 29, 2014

Touseef Akhtar

When I type the code in dialer it just disappear on completion …
And nothing happen.
My android version is 2.3.6

Reply
1. August 29, 2014
  
  Damian Parsons
  
  That’s a very old android version. Things may be different for phones that old.
  
  You can try to enter through Mobile Uncle.
  
  Also there are some good MT6582 1GB RAM KitKat 4.4.2 phones available for <$90 shipped. No offense, but you might consider upgrading.
  
  Reply
September 28, 2014

pumalex11

Hello i have a lenovo a806 mtk6592. I have flash a new ROM but nos i l’Oise my imei and nom backup.m’y phone is root and free. Now i test all solution for solve m’y problem. If you have a solution i take. In mobileuncle is not possible thé phone say not allowed

Reply
October 2, 2014

Doug

I bought Goophone S4 Mini Smartphone Air Gesture controls Android 4.2 OS MTK6572 Dual Core 4.3 Inch Screen
The specs claim it to be 1.2 GHZ. It’s really a 1.0 GHz

I get invalid IMEI on almost every code. I did a factory reset. That doesn’t work. The system files that I had edited are still exactly the same as I edited them, after doing a reset.

It has android 4.2.2. I was so let down by android. I find it to be under developed and actually pretty lame.
The phone is always out of room. The sdcard is always “damaged” and has to be formatted, so keeping stuff on this phone is a joke.
Send more than 50 texts and it is out of room
Install more than 5 apps its out of room.

I’m not a big phone person. I ran an iPhone 3GS up till 2 weeks ago, but today, I put my old sim card back in my 3GS and am happy again. It might be old, but it works and has never run out of room.

Reply
October 7, 2014

Joe

Hi,

After entering new IMEI # in Step 6, how to save it. I am wondering how to save the new IMEI number in Engg mode. Please help. Hitting on Engineer Mode – Engineer Mode (MTK) – Connectivity(Tab) – CDS Information – Radio Information – Phone 1 – AT+ to AT+EGMR=1,7,”New IMEI#” – SEND AT COMMAND(Button)

Getting the message “This command is not allowed in UserBuild” … and old IMEI stays.

Pls hlp.

Reply
1. October 18, 2014
  
  PJ
  
  Hey, I get the same error. Did you find out how to solve it?
  
  Reply
  1. October 18, 2014
    
    Damian Parsons
    
    Which error are you referring to? There are several errors mentioned in the comments here.
    
    Reply
    1. October 18, 2014
      
      PJ
      
      It was a reply to Joe’s message. I lost/messed up my nvram and IMEI and when I try using the engineer mode tools (e.g. mobileuncle) it tells me its “not allowed in userbuild”.
      
      Reply
      1. October 18, 2014
        
        Damian Parsons
        
        You can try to write IMEI through MTK Droid Tools. The video is here. Here also is the written tutorial and all files needed.
        
        If it doesn’t work for you, you will need a backup of your NVRAM, or MAYBE a full firmware upgrade of the stock firmware can fix it.
      2. October 18, 2014
        
        PJ
        
        What if I don’t have such backup? I upgraded the ROM but not without first using twrp to do a backup… unfortunately, it didnt backup everything. Is there no solution for this?
      3. October 18, 2014
        
        Damian Parsons
        
        Try links I previously posted. If it doesn’t work, then you need NVRAM backup or possibly a full factory ROM restore may fix it as well.
    2. October 18, 2014
      
      PJ
      
      I did try, mtk droid tools says changes will be effective after reboot but nothing changed. Is it possible to use someone else’s backup of nvram and then change to my imei? And how can I do a full factory ROM restore? Thank you very much for your help. :)
      
      Reply
      1. October 18, 2014
        
        Damian Parsons
        
        Did you follow the entire tutorial? Rooted and got root shell permissions through MTK Droid Tools? If so, and it still failed then yes you will need NVRAM restore or MAYBE a full factory ROM update.
        
        You will have to find the stock factory ROM for your phone. I can’t help you there, you’ll need to find it yourself. That may not fix your issue though. You may need NVRAM backup. No, you normally can’t use NVRAM from a different model phone, but you can try if all else fails. Good luck.
  2. December 15, 2014
    
    ARTURO TORI
    
    first be sure there is a space in AT +EGMR=1,7
    did you see the space between A and +
    that’s the solution to your message “This command is not allowed in UserBuild”
    
    Reply
    1. February 21, 2015
      
      Joshua Torre
      
      Arturo Tori! You are a smart guy.. That is a real fix. GOD BLESS YOU!
      
      Reply
      1. June 21, 2016
        
        mohasin khan
        
        same problem
        for lava x8
    2. March 7, 2015
      
      yuaan
      
      Hey it is still not solved same user build error and if I use space it is giving command not sent error
      
      Reply
    3. August 6, 2016
      
      Kayode
      
      Thanks for the informations, its useful…
      
      Buh it still shows “AT command sent: error”
      
      pls what can I do
      
      Reply
October 12, 2014

Andy Cheng

Hi, my phone (samsung s4) is inserted with Sim card, but I am able to make phone or sending sms, with error msg “no network registered”. People still able to call me but my didn’t ring. Wifi is working.
I went to local Samsung center, they said my imei is not working, it caused by motherboard failed, and it will causes Usd250 to change one. Do you know any way to fix this?

Reply
October 13, 2014

Puru

Hi,
Thanks for this post. My Gionee P2 was showing invalid IMEI Number after reset factory setting, Now its working fine.

Reply
October 17, 2014

OMUR ELVAN

THANKS MAN NO PROBLEM WORKİNG % 100

Reply
October 29, 2014

parth

Hyy i have gionee m2 and i have invalid imei problem i try AT+EGMR=1,7,THE-FIRST-IMEI-NUMBER. For SIM 2, enter AT+EGMR=1,10 this but when i send AT command it showsThis command is not allowed in UserBuild”now tell me what to do plzzzzz

Reply
1. October 29, 2014
  
  Damian Parsons
  
  Hi, you will need to root and follow this tutorial: http://www.chinaphonearena.com/forum/Thread-Tutorial-MT6592-MT6589-MT6582-MT6572-MTK-Change-Create-Generate-Invalid-IMEI
  
  If it still doesn’t work, you will need to restore NVRAM.
  
  Reply
  1. December 27, 2014
    
    socram
    
    in my Lenovo A806 the IMEI button after rooting , SU, etc, appears GREY, i can’t click on it.
    
    Reply
2. December 15, 2014
  
  ARTURO TORI
  
  first be sure there is a space in AT +EGMR=1,7
  did you see the space between A and +
  that’s the solution to your message “This command is not allowed in UserBuild”
  
  Reply
  1. December 27, 2014
    
    socram
    
    Yes, that’s the solution for message, but not for trouble.
    
    IMEI not restored.
    
    Reply
November 9, 2014

test_imei

Thanks a lot. It worked on my Goophone i5S MTK6572. Just don’t forget to re-start the phone after you get sucess message on step #6.

Reply
November 20, 2014

Justice

WOw. It works. I have Clone S5 and my IMEI was deleted and following your step fixed that. You saved me few bucks.

Thumbs Up. Thanks

Reply
December 4, 2014

Paolo

I have a IOCEAN X8, I lost the second IMEI.
I tried to add it with MTK ENGINEERING but gives me the error “This command is not allowed in UserBuild”. The Android version is 4.4.2
Does anyone know how to add it?

Reply
1. December 4, 2014
  
  Damian Parsons
  
  Hello, please see comments above.
  
  Reply
  1. February 13, 2015
    
    Dien
    
    Hi, my Lenovo A369i got the same problem. When I click Send AT command though, it said, “AT command is failed to send. Any idea? Thanks
    
    Reply
December 4, 2014

Paolo

why the command AT+EGMR=1,10 does not work?

Reply
December 15, 2014

Andrew Gray

I have a Cubot GT72E and have lost both IEMI codes
Have installed Mobileuncle tools followed your instructions and there is no option to
get cds information I guess your busy but please tell me what I’m doing wrong.

Reply
1. December 16, 2014
  
  ARTURO TORI
  
  at the beginning of this section is a tutorial on how to get to CDS
  did you followed it like it’s explained??
  so far this is the best way.
  look at the pictures very carefully,
  
  Reply
  1. December 16, 2014
    
    Andrew Gray
    
    Yes I followed exactly and when I get to connectivity the only options
    are Bluetooth
    FM Receiver
    WiFi
    WiFi CTIA
    
    Reply
December 16, 2014

ARTURO TORI

at the beginning of this section is a tutorial on how to get to CDS
did you followed it like it’s explained??

Reply
December 23, 2014

Rohit Sonar

HO gaya bhai…. Thank You So Much !!! GREAT GURU

Reply
1. December 23, 2014
  
  Andrew Gray
  
  Done it now MTK Droid Root & Tools v2.5.3 just take me longer these days!
  
  Reply
December 24, 2014

sammy sam

can i use this method for Oppo Neo R831? the invalid imei happen when i change the handphone to a custom rom.

Reply
1. December 24, 2014
  
  Andrew Gray
  
  If the phone is rooted which I guess it is with the new rom
  plug it in and open with the flash tools with the MTKdroidTools.application found at two or three levels into the unzipped file and it should allow the code to be put back in
  make sure your root program (super user allows external application commands)
  
  Reply
December 27, 2014

socram

I do that and the errors remains the same:

“THIS COMMAND IS NOT ALLOWED IN USERBUILD” when I put the IMEI between ” ” and click SEND AT COMMAND

What else?

Reply
1. December 27, 2014
  
  Damian Parsons
  
  Hi Socram, try putting a space between the T amd the +. So it looks like this: AT +EGMR=1,7,”IMEI”
  
  Reply
  1. December 27, 2014
    
    socram
    
    yeap, i tried and the difference is “the message” but the imei keeps on without changin.
    
    message is: “AT command is mSent” but nothing changes. I click “back” button…imei is null anyway.
    
    Im kind of desperate. I think I mess it up completely.
    
    Reply
    1. December 27, 2014
      
      Damian Parsons
      
      You need to reboot the phone after issuing the command. If it still doesn’t work, you’ll likely need to restore NVRAM.
      
      Reply
      1. December 27, 2014
        
        socram
        
        I restored the phone.
        Nothing happens.
        
        How Do I restore NVRAM. I got a copy of NVram but after the mess (there is an invalid or a encripted imei …there) and a guy in a forum told me he himself would send me his, but I don’t know what to do with that.
      2. December 27, 2014
        
        Damian Parsons
        
        I mean… After sending AT command, turn off the phone. Then turn it back on. If that doesn’t work, see Chinaphonearena for how to restore NVRAM.
      3. December 27, 2014
        
        socram
        
        yeap, with my copy of NVram folder, i mean the imei folder with Three files, i pasted the other three that I got, and nothing happens.
December 30, 2014

Hans

Hi Damian, do you know if the serial number of the device can be recovered ?? in my mistake flashing the original rom i accidentally erased all core info like imei, nvram, mac adress etc etc, so allso my serial number has been wiped. I am now concuering problems installing apps so i am guessing it has something to do with the erased serial.. is it linked to the imei numbers ?? (the box where the phone came in is not damaged, but the sticker wich holds the serial number is torn apart)

thanks for your opinion

Reply
1. December 30, 2014
  
  Damian Parsons
  
  Hi Hans, you can try this: http://www.gizbeat.com/6058/how-to-restore-fix-lost-imei-and-serial-numbers-for-mtk6582-mtk6572-mtk6592-mtk6589-mtk6595/
  
  Reply
January 4, 2015

Deis Ribaj

Hi Damian.

I tried the method with mobileuncle and it didn’t work (THIS COMMAND IS NOT ALLOWED IN USERBUILD).
Than I tried the method with the tutorial at chinaphonearea with MTK Droid Tools. I wrote my IMEI from under the battery on the program, followed the steps but at the end nothing happen.
I have also lost my recovery files. Please what should i do?

Reply
January 5, 2015

Mark

Ok I can’t reply with many lines. I will try to enshort the post:

My solution, in two videos recorded rightnow by me:
https://www.dropbox.com/sh/gvwbxezukakr3p8/AADsMTwVGugLi_Gno6jRzAKNa?dl=0

1. Download IMEIGEN from here (look for a download link, i cant paste it)

2. UNZIP it.

3. Execute imeigen.exe

4. A Green text console is opened. Then WRITE “Y” (YES)and INTRO

5. Console ask you for IMEI 1. write it and INTRO

6. Console asks you for IMEI 2. write AGAIN the same for YOUR SECOND IMEI, if you got 2 SIM CARDS. If just got 1 sim, write the same imei.

7. The console creates Two more files in the folder where the “imeigen.exe” is. The imei generated is “IMEI.BAK”.

8. VERY IMPORTANT: RENAME THAT FILE TO “MP0B_001”.

9. NOW YOU SWITCH YOUR PHONE TO PC IN FILE TRANSFER MODE, OR USE ANY METHOD TO PUT THAT FILE IN THE “DVRAM” FOLDER OF YOUR PHONE, THIS IS, GO TO your device = “\data\NVRAM\md5\NVRAM\NVD_IMEI

10. You will see also the file “MPOB_001”, in that folder NVD_IMEI , so now you have to RENAME THAT FILE TO: “MPOB_001_OLD” and leave it there.

11. FINALLY you go to your PC , take the NEW RENAMED “MPOB_001” born thanks to IMEIGEN.EXE and locate IT in the mentioned folder, NVD_IMEI.

AFTER THIS, if you did everything OK, restart your phone. BINGO.

Reply
January 8, 2015

dennis

My tecno s9 tablet i changed d imei and i flashed my fone but den d next day ….i will change the imei but d sim will tell me imei invalid and it will be missing 1 digit wen d sim provider sends d message …… And d brouswing will be very slow cos of dat……..pls i need help ….. Whatapp 08088220448 ,,,, bbm pin : 514eac02 and d one in my fone is complete…………so what am i to do

Reply
January 8, 2015

dennis

I am mr dennis from nigeria…..My tecno s9 tablet i changed d imei and i flashed my fone but den d next day ….i will change the imei but d sim will tell me imei invalid and it will be missing 1 digit wen d sim provider sends d message …… And d brouswing will be very slow cos of dat……..pls i need help ….. Whatapp 08088220448 ,,,, bbm pin : 514eac02 and d one in my fone is complete…………so what am i to do

Reply
January 10, 2015

Sweetynessy

I want to root my itel 1542 android 4.4.2 and change the imei, but am having difficulties doing it, mtk eng is not working on 4.4.2,and mtk droid tools is not detecting it, pls help.

Reply
1. January 11, 2015
  
  Mark
  
  Follow the post I posted two comments above (mark) or follow this instructions, in spanish…sorry. I will try to make it in english.
  
  And of course download IMEIGEN.EXE
  
  IMEI RECOVER, SPANISH TUTORIAL PART 1. https://www.dropbox.com/s/dlh12nbt9mje1kr/01%20IMEIGEN%20-%20IMEI%20%20RECOVER%20TUTORIAL.avi?dl=04
  
  PART 2: https://www.dropbox.com/s/1wjkiqcqgxdjxmo/02%20IMEIGEN%20-%20IMEI%20%20RECOVER%20TUTORIAL.mp4?dl=0
  
  you must be root to acceed and change the folder of IMEI number (DVRAM folder)
  
  Reply
  1. January 11, 2015
    
    Mark
    
    Oh, nope, it is in english too. I have forgoten it. It s worse recorded than the spanish one , that i paste here
    
    PART 1 spanish: https://www.youtube.com/watch?v=zw2t9TweLow
    
    PART 2 spanish: https://www.youtube.com/watch?v=pbsmGxZpVn8
    
    Reply
January 14, 2015

khalid

Sir, It fixed Invalid IMEI. Now i am unable to use google servives. it says no connection, network unavailable. kindly help me, even i am unable to browse.

Reply
January 17, 2015

sudhir patel

best work done by you. My problem solved using your trick.thanks thanks thanks

Reply
January 24, 2015

sam

i have an alcatel 4010a and when i did a factory reset it is saying imei null i am trying to use your method but i am not seeing cds information in the engineering mode,how to i solve

Reply
February 2, 2015

abdul islam

I have chinese gt6010 , mt6517 and problem is same imei number in both sim some time network show and some time not work please tell me any thing for thisnto work any time
And i have instal mobile uncle tool butt “(MTK)” mod not work he show me message to not support please help me

Reply
March 4, 2015

Ershad

Sir, It fixed Invalid IMEI. Now i am unable to use google servives. it says no connection, network unavailable. kindly help me, even i am unable to browse

Reply
April 22, 2015

renish

i have i phone 6plus clone MTK6572. I CAN NOT GET GSM NETWORK. phone not showing imei number. how can i get gsm network plzz help me

Reply
April 29, 2015

Trudy Carruthers

Hi I tried all ways to fix this way then tried with the number between the “-” and it worked Thanks.

Reply
July 28, 2015

narendra kumar

Thanks thanks a lot dear!!!! I really thankful to you from bottom of mine heart. …..

Reply
August 1, 2015

Parth

Thank you.

Reply
August 5, 2015

yog

i have karbon a93 MT6572 idnt have rom backup and i accidently flashed a wrong recovery to it.imei got lost and phone dont boot to recovery too.any1 suggest sumthng which will work..pls

Reply
August 12, 2015

Domingo Tejada

You’re one Guardian angel sent from heaven. thank you so much for sharing this knowledge to anyone. it did work for me.

Reply
August 19, 2015

subhas

plz tell me which device I can change imei from mtk

Reply
August 19, 2015

subhas

plz help me I want to buy a 3g android mobile which can IMEI change from mtk engering mode.apk. so plz give me a list which have this fecility

Reply
1. August 19, 2015
  
  Damian Parsons
  
  Hello Subhas,
  
  Almost all MTK devices can change IMEI. Some of them need to be rooted to do it easily though.
  
  Reply
  1. August 20, 2015
    
    subhas
    
    I want to buy lessthan rs 6000. I want to IMEI change through mtk engering mood apk. Plz suggest what phone is better
    
    Reply
September 15, 2015

uday

My phone(spice mi 515) is showing imei after doing this.BT,WiFi,GPS everything is working fine but no cellular signals. Manual network search saying ‘no networks found’, one more thing it’s detecting my sim card and also showing operator in status bar, but not catching network, i have valid sim card and have tried more than 5-6 sim cards, still no luck. Plsss…. help.

Reply
October 27, 2015

irfan sabir

thankyou for space trick worked for me

Reply
November 15, 2015

sid

Thanks buddy!

Reply
January 13, 2016

Fortune

Thanks a bunch worked for me (mtkdroidtools) :)

Reply
February 29, 2016

kiran

is the imei is temporary or permanent this method works for me after doing flash stock rom for more than 30 times and i get my old imei back thx for the help plz tell me is this temporary or permanent in my views is it washout after i reset or restore by cwm and flash stock rom

Reply
June 12, 2016

ola

thanks Man, u are a magician

Reply
June 21, 2016

mohasin khan

plz help me
follw this step n sent at command and disple this msg
“this command is not allowed in userBluis
plz help me

Reply
July 14, 2016

2CHIZ ZAMANI

Thanks bro you really helped me

Reply
July 20, 2016

Ross

Thanx very very much bro….

Reply
August 31, 2016

Paul O.

Worked well for my Gionee P2
Thanks.

Reply
September 30, 2016

Sineyes

This method is the best if you do it properly

Reply
November 17, 2016

Khan

I’ve just logged in to say you thanks a lot….

Reply
1. November 17, 2016
  
  Damian Parsons
  
  You’re welcome Khan. Thanks for your comment.
  
  Reply
December 19, 2016

Lalit

I Love You I Love You I Love You..Thank YOU very much…My problem is solved…Thank You

Reply
April 1, 2017

MST

Restore NVRAM and NVDATA in TWRP.

Reply
January 31, 2018

bobby

Worked, Thanks. YOU MUST REBOOT AT THE END OF PROCEDURE

Reply