Using a tool like or Smart Switch , backup the EFS partition. A failed auto patch can corrupt modem certificates, resulting in “No SIM” or null IMEI.
lz4 -d boot.img.lz4 boot.img lz4 -d vbmeta.img.lz4 vbmeta.img n985f u5 auto patch
To apply a network patch, the device usually needs to be rooted (often using Magisk) to allow repair tools access to system-level NV data. Repair Tools: Using a tool like or Smart Switch , backup the EFS partition
#!/bin/bash # U5 Auto Patch Logic for N985F n985f u5 auto patch
: You forgot to wipe data. Enter recovery (Volume Up + Power + USB), wipe data/cache, and reboot.