The Samsung Galaxy S21 FE 5G is a 2022 Android 12, up to 4 major Android upgrades, One UI 8 smartphone powered by the Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1 Exynos 2100 (5 nm) - Version 2 with 6GB | 8GB and 128GB | 256GB internal storage. It features a 6.4", Dynamic AMOLED 2X, 120Hz, HDR10+, 1080.0x2340.0 display and is available in White, Graphite, Lavender, Olive.

The Galaxy S21 FE 5G is equipped with a Li-Ion 4500 mAh, a 12 MP, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, gyro-EIS main camera, a 32 MP, 4K@30/60fps, 1080p@30/60fps, gyro-EIS front camera. The device uses a · Nano-SIM · Nano-SIM + Nano-SIM configuration. It weighs 177 g.

A bootloop on the Samsung Galaxy S21 FE 5G 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.