Oppo A37m Mt6755 Firmware May 2026

Verdict: For a daily driver, stick to stock firmware. For experimentation, try the unofficial LineageOS 14.1 (Android 7.1) compiled by the "Hovatek" community, but expect bugs.

Fix: The NVRAM partition is corrupted.

  • Preloader not detected / SP Flash Tool error:
  • IMEI lost:
  • Network issues post-flash:
  • Signature/verification errors on official recovery:

    • A: The Android 5.1.1 (Build A.18) is widely considered the most battery-efficient for the MT6755. Android 6.0 drains 15% faster due to Doze conflicts with ColorOS. oppo a37m mt6755 firmware