OPPO F31 5G CPH2781e
Official OPPO F31 5G stock firmware — flash file, stock ROM & IMEI repair file, free direct download.
⇄ Compare with another deviceThe OPPO F31 5G (model code CPH2781e) has 9 official stock firmware files (flash file / stock ROM) available for free download on ROM Palace — the latest released in Jun 2026. The device runs on the MediaTek Dimensity 6300 (6 nm) and its firmware covers Android 16. Each download is a direct, resume-supported link used to unbrick the phone, fix a bootloop, remove FRP, repair a corrupt or null IMEI, downgrade, or restore the OPPO F31 5G to its original factory software.
Specifications
OPPO F31 5G stock firmware & flash files (9)
Where to buy the OPPO F31 5G
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Frequently asked questions
How do I flash the OPPO F31 5G stock firmware?
Download the stock ROM / flash file for your exact OPPO F31 5G (CPH2781e), extract the archive, then flash it with SP Flash Tool (SPFT) for MediaTek (MTK) devices, or the SPD Upgrade / ResearchDownload tool for Unisoc/Spreadtrum (SPD) chipsets. Back up your data first and charge the battery above 50%. See our step-by-step flashing guide for details.
Is it safe to flash OPPO F31 5G firmware?
Flashing official stock firmware is safe as long as you use the correct stock ROM / flash file for your exact model code (CPH2781e). Flashing the wrong firmware can brick the device, so always confirm the model code before flashing.
Are these OPPO F31 5G ROM downloads free?
Yes. Every OPPO F31 5G firmware file on ROM Palace is free to download with a direct link — no subscription and no waiting queue.
What problems can OPPO F31 5G stock firmware fix?
Stock firmware fixes bootloops, a device stuck on the logo, software crashes, failed OTA updates, can remove FRP, repair a corrupt or null IMEI, and restore the OPPO F31 5G to its original factory software.
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