Device Help HTC Desire 816 Basic functions
HTC Desire 816

HTC Desire 816

View Device specs

Popular guides

Choosing network mode for my mobile phone

Setting up my mobile phone for internet

Turning call waiting on my mobile phone on or off

Installing and using apps from Google Play

Turning caller identification on my mobile phone on or off

Search for topic or select one below

Getting started

Basic functions

Calls and voicemail

Messaging

Apps and media

Connectivity

My mobile phone is slow

Back to Basic functions
If your mobile phone is running slowly or if applications aren't responding, follow these instructions to solve the problem.
We found 1 possible solutions to your problem. Click Start guide to see the solutions.
Start guide
Your mobile phone is overloaded for unknown reasons

Video guides

Issue: Slow WiFi on Android Issue: Slow Mobile Internet on Android Issue: Can't Use Mobile Data with Android Issue: Can't Connect to WiFi with Android Issue: Can't Make or Receive Calls with Android

Media guides

Clean up and speed up your smartphone Can't make or receive calls on your smartphone? Can't use mobile data on your smartphone? Cannot connect to WiFi? Slow mobile internet on your smartphone? Slow WiFi connection on your smartphone? 3 Simple tips to keep your smartphones safe