Yes, if the preloader is intact. If not, you need a Mediatek Auth Bypass Tool (SLA/DAA bypass) because Oppo signed the bootloader. Search for "MTK Bypass Utility v1.0" to force DA download.
If you have a working MT6755 phone, you can dump your own firmware using SP Flash Tool's "Read Back" function. This creates a 100% exact backup.
| Error Code | Meaning | Solution |
| :--- | :--- | :--- |
| S_BROM_DOWNLOAD_DA_FAI | DA file mismatch | Use a custom DA or SP Flash Tool v5.1924 |
| S_DA_MT7663_RAW_DATA | NAND memory corruption | Re-download firmware; flash with "Format All" (last resort) |
| S_FT_ENABLE_DRAM_FAIL | Preloader mismatch | You have the wrong firmware (MT6750 on MT6755). STOP. |
| STATUS_BROM_CMD_SEND_DA_FAIL | Driver issue | Reinstall VCOM drivers & disable USB selective suspend |
After flashing the Oppo F1s MT6755 firmware, you may lose your IMEI numbers (leading to "No Service").
- PRELOADER 0x0
- MBR 0x600000
- EBR1 0x604000
- PRO_INFO 0x800000
- NVRAM 0xa00000
- PROTECT_F 0xd00000
- PROTECT_S 0xe00000
- SECCFG 0xf00000
- UBOOT 0x1000000
- BOOT_IMG 0x1080000
- RECOVERY 0x1280000
- SEC_RO 0x1480000
- MISC 0x1680000
- LOGO 0x1780000
- EXPDB 0x1880000
- ANDROID 0x1a80000
- CACHE 0x93800000
- USRDATA 0xbc800000
Final note: Always backup your current firmware (Readback in SP Flash Tool) before flashing. If you don’t have backup and the phone won’t boot, find a full stock ROM (not just OTA). Proceed at your own risk. Oppo F1s Mt6755 Firmware
Oppo F1s (A1601) is a mid-range smartphone powered by the MediaTek MT6755
(Helio P10) chipset. Managing its firmware is essential for troubleshooting "dead" devices, removing screen locks, or updating the aging ColorOS software. Firmware Overview The device originally shipped with Android 5.1 Lollipop ColorOS 3.0
. While official updates generally peaked early, the firmware remains critical for repair and maintenance. MediaTek MT6755 (Helio P10). Model Variant: Primarily A1601. Official Status:
No official updates to Android 7, 8, or newer versions; modern Android requires custom ROMs like LineageOS. OPPO India Community Flashing and Repair Scenarios Yes, if the preloader is intact
Flashing firmware is typically performed to fix software-related hardware failures or bypass security: Dead Boot/Stuck on Logo:
Devices that fail to boot after a bad update or crash can often be revived by flashing the official stock ROM. Screen Lock Removal: Tools like China Miracle M2
can reset pin locks or FRP (Factory Reset Protection) by interacting directly with the MT6755 chipset. Official Downloads:
Stock firmware files (scatter files) can be sourced from repositories like HardReset.info or dedicated tech blogs. The Flashing Process After flashing the Oppo F1s MT6755 firmware ,
For those needing to reinstall the OS, the general workflow involves: Preparation: Download the specific MT6755 scatter-based firmware and install the necessary MTK USB Drivers Tool Selection: Use a flashing tool such as SP Flash Tool or specialized service dongles. Connection:
Power off the device and connect it to a PC while holding the Volume Down key to trigger the MTK VCOM boot mode. Execution:
Load the scatter file into the tool and initiate the flash. A green "OK" ring typically signifies completion. Maintenance Tips