| Error | Solution | |-------|----------| | | Bootloader is locked. Unlock via Mi Unlock Tool. | | Mi Flash Tool stuck at "flash.cfg" | Run Mi Flash Tool as Administrator; check USB cable. | | Phone bootloops after update | Boot into recovery (Vol Up + Power) and wipe cache/data. | | Error 7 in TWRP | ROM is for wrong device; ensure you have "YSL" build. | | No OS installed | Re-flash ROM via Fastboot; don't reboot without OS. | | IMEI lost after flashing | Restore persist partition backup (always backup before flashing). |
Updates can occasionally go wrong. Back up your photos, contacts, and messages. Firmware Update on XIAOMI Redmi S2
The phone will restart and automatically install the firmware. Do turn off the device during this time. Method 2: Manual Update (Choose Update Package) | Error | Solution | |-------|----------| | |
When you perform a , you gain: