AncientOS v5.3 for Poco X3 NFC (Surya) Android 11 + Fix SafetyNet Api Error

April 18, 2021 | By androidhowto@youtube | Filed in: Custom ROM.

AncientOS v5.3  for Poco X3 NFC (Surya), How to Root, Fix SafetyNet Api Error and Bypass SafetyNet. AncientOS 5.3 comes with ROM OS Android 11 and  GAPPS. AncientOS 5.3 providing an alternative experience to users who want to retain the ability to customize their device and still stick closer to the stock Android look and feel. 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
  3. Download Magisk: Magisk-f49966d8(22103).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:
  6. Copy ROM to SD Card ( Recommended )

AncientOS v5.3 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, Swipe to confirm Flash
  6. Select Reboot – System
  7. Setup the Phone

Install GAPPS ( If necessary )

  • Enter TWRP Recovery
  • Select Install – select, Swipe to confirm Flash
  • Reboot to System
  • Done

Rooting, Fix SafetyNet Api Error and Bypass It

  • Enter TWRP Recovery
  • Install Magisk-f49966d8(22103).zip
  • Reboot to System
  • Connect Phone to Internet
  • Install app-debug.apk to fix safetyNet API Error
  • Open Magisk
  • Install
  • Reboot from magisk
  • Open Settings
  • Enable MagiskHide option
  • Done

Watch This Video!

AncientOS R v5.3 for Poco X3 NFC (Surya), Rooting + Fix SafetyNet Api Error and Stock Camera Apps
Watch this video on YouTube.

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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