Disclaimer: Use these tools at your own responsibility. We are not liable for any data loss or hardware damage.
Google FRP lock can be a nightmare after a factory reset. Here’s how to bypass FRP on the Lava Z70 using a care file tool fix.
How to flash with Care File:
| Error | Meaning | Fix |
|-------|---------|-----|
| S_BROM_CMD_STARTCMD_FAIL | Preloader mismatch | Use correct scatter, retry BROM with testpoint |
| STATUS_SEC_AUTH_FILE_NEEDED | Auth bypass required | Use MTK Bypass tool before connecting |
| S_DL_GET_DRAM_SETTING_FAIL | DRAM init failed | Flash preloader only first, then full flash |
| S_FT_ENABLE_DRAM_FAIL | Incompatible DA | Use custom DA for MT6739/6761 |
| PMT changed for the ROM | Partition mismatch | Format whole flash (backup nvram first) | Disclaimer: Use these tools at your own responsibility
If you just forgot the Google account, do not flash the whole phone yet.
Method using Care File Tool:
Manual FRP via Meta Mode:
Use SP Flash Tool with Auth Bypass DA (custom DA for MT6739/MT6761):
For auth bypass on newer security (secro/tz), use MTK Meta Tool:
META_Download.exe -f firmware.zip -p COM3 -b 921600
To successfully fix your Lava Z70, gather the following: Google FRP lock can be a nightmare after a factory reset
Warning: Download firmware only from trusted sources. Using the wrong preloader can hard-brick your device permanently.
For severe FRP locks: