So it is very necessary for us to backup EFS before flashing ROMs. The EFS refers to a folder called EFS which can store information like meid, imei, serial number, config, diag settings and radio settings, etc in an encrypted format at the file system level stores.
All of them work similarly, so in this post, I only introduced one software called QPST. There are too many tools you can use to back up the EFS partition to be a QCN file. Do you have to use QPST to back up QCN? In this sophisticated era, you can use another tool to do it.
Today we will share you LYF Jio F220B EFS File Or QCN File. If you are a mobile technician and searching for the LYF Jio F220B EFS File Or QCN file for repair IMEI and unknown baseband problem? If yes then you have landed on right place. LYF Jio F220B EFS (QCN) File For IMEI Repair | Fix Baseband / Network Issue
