Nothing Phone (1) Repair iMEi Via DFT Pro

1- unlock the bootloader of the device by activating developer options 

and activating the original factory

unlock ,Then put the device in fastboot mode 

by turning off the phone and pressing 

the volume downbutton With

 the USB connected, after inserting 

the phone, through the

 command prompt cmd write the

fastboot dvices commands and then write

fastboot flash unlock You will see 

two options to unlock 

the bootloader, choose the second option

2- After unlocking the bootloader,

 open the dft interface, 

select the Qualcomm box, and 

choose the Qcn tool. 

We activate the diag,Through 

the code *#*#3424*#*# Starting with 

the star press READ QCN

3- After making copy of QCN, put the device in fastboot mode And choose xiaomi and select the fastboot box, and then wipe efs for the device

4- After booting the phone, modify the QCN file from the QUALCOMM box. press load QCN and choose The QCN file that bucked up, and write the first and second names, and press save new QCN

5- Then  activat the device’s diag and write the QCN file by pressing WRITE QCN with deselecting Skip imei restore ,After writing the QCN, restart the phone

Done