Flashing firmware on a MediaTek device requires specific software, not the Samsung Odin or Qualcomm QFIL tools. For the Oppo F1s MT6755, the standard toolkit includes:
For Oppo F1s (MT6755), look for these model numbers:
A1601 (common), CPH1609, CPH1613 Oppo F1s Mt6755 Firmware
Trusted sources (always verify checksums): Flashing firmware on a MediaTek device requires specific
Typical firmware filenames:
OPPO_A1601_EX_11_A.15_170915_8.1.0_MT6755.zip
(Contains: preloader, lk, boot, recovery, system, tee, etc.) Typical firmware filenames:
OPPO_A1601_EX_11_A
Follow this sequence exactly. A single mistake can convert a soft brick into a hard brick.
Avoid random “firmware download” sites filled with malware. Trusted sources:
✅ Recommended version:
A1601EX_11_A.17_170821(Android 5.1) – last stable, least bloat.