[Tutorial] How to fix Null IMEI on a HTC Android phone using fastboot

Requirement for the phone

* Rooted
* S-Off
* PC
* HTC drivers installed
* Setup fastboot on the PC (see https://forum.hovatek.com/thread-588.html )


* Boot into fastboot mode (Volume down + Power button > Bootloader > Press Power button to select fastboot )
* Connect the phone to the PC via USB cord
* If the PC pops up a driver installation box at the system tray, wait till driver installation is complete
* Open the folder where fastboot.exe is located > Click on any blank space within the folder > Hold Shift on the keyboard > Right-click any blank space within the folder > Select "Open command window here" > Command prompt should pop up
* In command prompt, type the code below then press Enter
fastboot oem ?

* A list should appear to confirm that your HTC phone was detected by the PC
* Check the list for writeimei because its required for this procedure. Proceed if present
* In the command prompt, type the code below then press Enter (replace 012345678923453 with the IMEI of your choice)
fastboot writeimei 012345678923453

* Type the command below to reboot the device normally then press Enter

fastboot reboot

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