Go to a trusted retro game archive site. Do not use "APK download generator" sites. Look for communities like or CDRomance . Search for: "Need For Speed Underground Rivals (PSP) USA ISO" and "PPSSPP Gold APK" .
The OBB is corrupt or in the wrong folder. Also, Android 13+ has a bug with legacy OpenGL. Fix: Go to Developer Options on your phone → Turn on "Disable HW overlays" and force 4x MSAA. If that fails, your phone is too new for that specific OBB build. Switch to the PPSSPP emulator method. Need For Speed Underground 1 Apk - Obb Download
You need three things, not two:
Because I cannot host direct illegal roms, I will tell you exactly what to search for and how to do it safely. Go to a trusted retro game archive site
The 2003 classic redefined the racing genre with its focus on tuner culture and street racing. While Electronic Arts has not released an official NFS Underground 1 APK for mobile, there are several ways to experience Olympic City on your Android device today. The Reality of "NFS Underground 1 APK" Downloads Search for: "Need For Speed Underground Rivals (PSP)
NFSU1 was never officially released for Android by EA. Any APK/OBB you find online is either an unofficial port (e.g., from PSP/PC via emulators like PPSSPP) or a fake/malware. Proceed with caution.