If you want, tell me your exact J7 Prime model number (e.g., SM-G610F, SM-G610M) and I’ll find model-specific notes and common reported issues for Prometheus v3.
You must have the latest version of Team Win Recovery Project installed. prometheus v3 rom j7 prime
However, , stick to stock. The VoLTE and Bluetooth calling bugs are too risky for critical communication. If you want, tell me your exact J7 Prime model number (e
Go to and check Dalvik Cache, System, Vendor, and Data . Do NOT wipe your internal storage if that's where your ROM file is located. 3. Flash the ROM The VoLTE and Bluetooth calling bugs are too
Prometheus V3 is a custom Android ROM based on . It is developed by Youssef Nabil and the Prometheus Team , who are well-known in the Exynos 7870 community (the chipset powering the J7 Prime). Unlike stock Oreo, which looks and feels dated, Prometheus V3 brings the modern OneUI 2.0 experience—the same interface found on the Samsung Galaxy S20 series at the time.