sensitive partitions (like IMEI or Baseband) while the ENG ROM is active before flashing back to a Global stable ROM.

The process requires loading the scatter file provided in the engineering firmware into SP Flash Tool and flashing in 'Firmware Upgrade' mode. Updated Firmware Characteristics (2025) Security Patches:

Always check the in the file name, e.g.: camellia_eng_20250115.7z – likely built from V816 or newer source.

Repairs the secure partitions (NVRAM/NVDATA) that often cause bootloops after failed software updates.

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Fixes devices that are completely unresponsive or "bricked" and cannot enter the standard recovery mode.