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How to Fix Bootloop — verykool s4513 Luna II

Fix BootloopAndroid 6.0 (Marshmallow)

How to Fix Bootloop — verykool s4513 Luna II

⏱ ~5 min📋 6 steps

The verykool s4513 Luna II is a 2017 Android 6.0 smartphone powered by the Spreadtrum SC7731C with 512MB and 4GB internal storage. It features a 4.5", IPS LCD, 480.0x854.0 display and is available in Black, Blue.

The s4513 Luna II is equipped with a Li-Ion 1700 mAh battery, a 5 MP, 720p@30fps main camera, a 2 MP front camera. The device uses a Mini-SIM configuration. It weighs 135 g.

A bootloop on the verykool s4513 Luna II 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.

1

On your verykool s4513 Luna II: force restart: hold Power for 15–30 seconds

2

If still looping: enter Recovery Mode

3

Navigate to 'Wipe cache partition' → confirm → reboot

4

If still looping: return to Recovery

5

Select 'Wipe data/factory reset' → confirm (erases all data)

6

Last resort: use your manufacturer's PC tool to reinstall firmware

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