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How to Fix Bootloop — vivo iQOO U3x Standard
How to Fix Bootloop — vivo iQOO U3x Standard
The vivo iQOO U3x Standard is a 2021 Android 11, OriginOS 1.0 for iQOO smartphone powered by the Mediatek MT6769V/CU Helio G80 (12 nm) with 4GB | 6GB and 128GB internal storage. It features a 6.5", IPS LCD, 720.0x1600.0 display and is available in Black, Silver.
The iQOO U3x Standard is equipped with a 5000 mAh, a 13 MP, 1080p@30fps main camera, a 8 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 191.4 g.
A bootloop on the vivo iQOO U3x Standard occurs when the device repeatedly restarts without fully loading Android. This is commonly caused by a failed software update, corrupted system files, or an incompatible app. Most bootloops can be resolved without losing data by clearing the cache partition first before attempting a factory reset.
Factory reset may be needed as a last resort — erases all data.
On your vivo iQOO U3x Standard: force restart: hold Power for 15–30 seconds
If still looping: enter Recovery Mode
Navigate to 'Wipe cache partition' → confirm → reboot
If still looping: return to Recovery
Select 'Wipe data/factory reset' → confirm (erases all data)
Last resort: use your manufacturer's PC tool to reinstall firmware
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