DerpFest R for Poco X3 NFC (Surya) Android 11 + Fix SafetyNet Api Error

April 16, 2021 | By androidhowto@youtube | Filed in: Custom ROM.

DerpFest R for Poco X3 NFC (Surya), How to Root, Fix SafetyNet Api Error and Bypass SafetyNet. DerpFest R is a small project based on AOSP. Become a platform for beginners and support the Custom ROM community with unique contributions as well. DerpFest R ROM exists are inspiration of AOSiP. Use at your own risk, I’m not responsible for bricking your device.

Download and Terms

  1. Your phone must be Installed Custom Recovery. If not, you can read How to Install TWRP 3.5.0 Xiaomi POCO X3 NFC – Permanent
  2. Download DerpFest-11-Official-Beta-surya-20210415-2055.zip
  3. Download Magisk: Magisk-v21.4.zip
  4. Download MagiskFix to fix SafetyNet Api Error: app-debug.apk, follow instruction below how to fix SafetyNet API Error
  5. Download Universal SafetyNet fix: safetynet-fix-v1.1.1.zip
  6. Download Magisk app: Latest Magisk apk
  7. Copy ROM to SD Card ( Recommended )

DerpFest R Install Instructions on POCO X3 NFC:

  1. Enter TWRP Recovery Mode: Turn Power off, Press and Hold Volume Up + Power key, When POCO logo appears release Power key only, keep pressing Volume Up until TWRP Recovery appears.
  2. First Important Step is to Backup (though depends on you if you wanna be safe or no )
  3. Select Wipe – Advanced ( Dalvik, Cache, Data ), Swipe to wipe
  4. Select Wipe – Format Data – type “yes” and confirm ( Optional )
  5. Select Install – select DerpFest-11-Official-Beta-surya-20210415-2055.zip, Swipe to confirm Flash
  6. Select Reboot – System
  7. Setup the Phone

Install GAPPS ( If necessary )

  • Enter TWRP Recovery
  • Select Install – select open_gapps-arm64-10.0-nano-20210413.zip, Swipe to confirm Flash
  • Reboot to System
  • Done

Root Instructions ( If necessary )

  • Enter TWRP Recovery
  • Install Magisk
  • Reboot to System
  • Connect Phone to Internet
  • Install Magisk app and Open it. Magisk will ask to do additional setups. Let it do its job and the app will automatically reboot your device.
  • Done

Bypass SafetyNet

  • Open Magisk
  • Install safetynet-fix-v1.1.1.zip
  • Reboot from magisk
  • Open Settings
  • Enable MagiskHide option
  • Done

Fix SafetyNet Api Error and Bypass SafetyNet

  • If you face SafetyNet Api Error just install app-debug.apk
  • Open Magisk
  • Install safetynet-fix-v1.1.1.zip ( Bypassing SafetyNet )
  • Reboot from magisk
  • Open Settings
  • Enable MagiskHide option
  • Done

Watch This Video!

Enter TWRP Recovery

You can enter TWRP recovery with 2 methods: via adb command by type “adb reboot recovery” and by pressing keys combinations ( Turn power off, press and hold volume up + Power key, when POCO logo appears release power key, keep pressing volume until TWRP recovery appears )

Notes / Warning!

  1. Use at your own risk, I’m not responsible for bricking your device.
  2. Using the incorrect file may brick your device.
  3. Make sure to backup your important data before root it.


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