- Htc one m9 software update sprint corrupted phone data how to#
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If you see blank / error, process furtherĢ) The EFS is corrupt and hence we don't see IMEIs. If you see IMEI and matching with that on your box, there is no issue and you should stop. So the solution which worked for me, and one which has been tried and tested is following:
Htc one m9 software update sprint corrupted phone data Pc#
Shouts go out to Akrapovic & Nordicus for their detailed posts which helped me in understanding lot many things and also finalizing key steps to restore IMEIs, MAC etc and getting phone workingġ) QPST installed on PC Download v 2.7.453 from here or elsewhere if you know ofĥ) WriteDualIMEI_W_G_eMMC - to write IMEIs once xqcn has been restoredĦ) Zuk Z2 rooted with ADB enabled through developer options and connected to computerįor points 2 and 5, pls refer here to download the files and tools. It was a long tiring process wherein close to 2 days were gone trying multiple methods, flashing QPST roms around 10 times to observe network in Stock ROM, in Custom ROMs and after reflashing etc etc etc. I spent many hours searching for finding right steps. Even when I restored modified xqcn and got IMEIs back, it had only one sim actually working and other had no signal. But there were various posts and mixed feedbacks. The way out was to restore xqcn file and use it to get back IMEIs, mac address etc. Worried, I searched across internet to find out ways to restore IMEIs and get my phone working again. This left me with a phone having no IMEI, no mac for Wifi and Bluetooth. Restore Lost IMEIs / Repair Network or Radio Issues I accidentally restored TWRP backup of another Zuk Z2 phone on my new pgone and in this process over-wrote the EFS partition. Please post in this thread regarding your success / failure in performing this procedure. Confirm that the IMEI was written successfully by opening your Dialer and entering *#06# Disconnect NV Tools, unplug your phone, and rebootġ1.
Double check that you input the correct IMEI number, then check the checkbox next to the field and select Write with Phone as the Target.ġ0. Confirm that the IMEI is 0 and proceed to enter your original IMEI number in the field labeled "IMEI (Dec)".ĩ. tab, go to the ESN / MEID / IMEI Repair section and Read your phone's current IMEI.Ĩ. I recommend you backup your NV items again using the NV Backup / Restore tab.ħ. In NV Tools, select the "LGE AndroidNet For Diagnostics Port" and press Connect.Īt this point, confirm that the connection was successful and that sensible diagnostic information has been pulled from your phone.Ħ.
Htc one m9 software update sprint corrupted phone data professional#
Open the EFS Professional Suite launcher and select Qualcomm NV Toolsĥ.
Htc one m9 software update sprint corrupted phone data serial#
Connect your phone to your computer and select USB Tethering as the connection mode (again, LG ROMs only) and let the driver installation finishĪt this point, you can open Windows' Device Manager and check that two new serial COM ports have been installed: an "LGE AndroidNet For Diagnostics Port" and an "LGE AndroidNet USB Serial Port"Ĥ.
Htc one m9 software update sprint corrupted phone data install#
Install the latest LGUnitedMobileDriver (I used version 3.14.1 WHQL)Ģ. These partitions include the three M9KEFS partitions, the MODEM partition, and the MODEMST1 and MODEMST2 partitions.ġ. NOTE2: Even if you suspect your EFS/NV has been corrupted, now is the time to make a backup of all of the relevant partitions for your phone. NOTE1: I have also seen advice that your SIM card should be REMOVED prior to performing the procedure.
Htc one m9 software update sprint corrupted phone data how to#
This step was necessary for me because I did not find any instructions on how to enable the Qualcomm platform diagnostic mode / port on Cyanogenmod ROMs Ensure that you are on one of the LG based ROMs (both V20J and the KK ROM by Paulicat worked for me) Even stranger is the fact that despite having a "0" IMEI, I was always able to make/receive calls and use data on both devices.Ġ. I say this because my second device was never flashed with a custom ROM (only rooted) and remained on stock V20J, yet my IMEI was lost at some random point in time. Restore IMEI after EFS/NV Corruption (0 IMEI, no EFS backup, etc.) - AT&T Optimus G Q&A, Help & Troubleshooting Preface: What the **** is wrong with this device? I've had two phones in a row lose IMEI information for no apparent reason.
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