OnePlus Open CPH2551e
Official OnePlus Open stock firmware — flash file, stock ROM & IMEI repair file, free direct download.
⇄ Compare with another deviceThe OnePlus Open (model code CPH2551e) has 11 official stock firmware files (flash file / stock ROM) available for free download on ROM Palace — the latest released in May 2026. The device runs on the Qualcomm Snapdragon 8 Gen 2 (4 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 OnePlus Open to its original factory software.
Specifications
OnePlus Open stock firmware & flash files (11)
Where to buy the OnePlus Open
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Frequently asked questions
How do I flash the OnePlus Open stock firmware?
Download the stock ROM / flash file for your exact OnePlus Open (CPH2551e), 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 OnePlus Open firmware?
Flashing official stock firmware is safe as long as you use the correct stock ROM / flash file for your exact model code (CPH2551e). Flashing the wrong firmware can brick the device, so always confirm the model code before flashing.
Are these OnePlus Open ROM downloads free?
Yes. Every OnePlus Open firmware file on ROM Palace is free to download with a direct link — no subscription and no waiting queue.
What problems can OnePlus Open 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 OnePlus Open to its original factory software.
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