Touch Your Heart

Why can't I access the internet (via 2G/3G/4G/5G)?

Why can't my phone connect to a PC?

Why does my phone lag while playing a game using the mobile network?

Why can I not use data network?

Why is my (2G/3G/4G/5G) internet/download speed slow?

Why can't I use the mobile network during calls?

Why can't an app access the internet (via 2G/3G/4G/5G)?

SIM card cannot be recognized by the phone

Can hidden app access internet?

Unable to make a call

Why can others not hear my voice during calling?

What should I do if the voice is low/no sound/noise/intermittent during a call?

Noise occurs during video/Internet calls

Phone cannot connect to Wi-Fi

What should I do if a Wi-Fi network is automatically disconnected?

What should I do if I can't hear the other party during a call?

Echoes during a call

What should I do if my phone signal is weak?

Why can't my phone detect a Wi-Fi network?