1. Use only Samsung-approved chargers, batteries, and cables.
Unapproved chargers or cables can cause the battery to explode or damage the device.
2. Ensure that the charger is connected properly.
Connecting the charger improperly may cause serious damage to the device.
3. If the battery terminals are dirty, the battery may not charge properly or the device may turn off.
Wipe both gold-colored contacts and try charging the battery again.
This will allow the device to start without installed apps running, enabling you to find faulty apps that are causing the device to freeze, lock up or reboot. In case of the 100% reproducible problem, you can check easily whether 3rd party app issue or not.
Press Power and Volume Down at the same time.
Especially hold the volume down key whilst the phone is powered up.
① Switch On the device
② When the Samsung logo is displayed, push and keep pushed menu key
Factory Data Reset
Performing a Factory data reset will clear the mobile device' s memory and put the mobile device back to its original factory default state. Factory data reset is a tool used to remove everything that was imported, added, or installed on the mobile device, and including data which cannot be recovered. Back up before performing Factory data reset.
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