乐竟体育 onetouch 4021

FAQ

Filters

How can I insert or remove the SIM card correctly?

# Basic Settings

How can I block a contact?

# Phone & Contact

How can I make factory data reset on my phone?

# Back Up & Reset

How can I transfer data between phone and PC?

# Troubleshooting

Why couldn’t I make outgoing call and receive incoming call?

How can I change my phone ringtone, remove power on/off beep?

# Ringtone & Sounds