Start with the simple checks. Change one thing at a time so you can tell which step helped.
Gaming, navigation, charging, direct sun and poor signal can increase device temperature. First, note what changed recently and whether the same issue affects another device. This helps separate a device-specific fault from a wider network or service issue.
Troubleshooting steps
Check the basics
Close demanding tasks and move the phone out of direct sunlight. After each change, repeat the action that originally failed and give the device a moment to reconnect or refresh.
Review the settings
Disconnect charging and remove a thick case temporarily if safe to do so. After each change, repeat the action that originally failed and give the device a moment to reconnect or refresh.
Test one change
Check battery usage and recent apps for unusual background activity. After each change, repeat the action that originally failed and give the device a moment to reconnect or refresh.
Confirm the result
Let the device cool naturally before using demanding apps again. After each change, repeat the action that originally failed and give the device a moment to reconnect or refresh.
Helpful note
Do not put a hot phone in a fridge or freezer; sudden temperature changes can cause damage.
When to get more help
If these checks do not resolve the issue, contact the relevant device maker, internet provider or app support team. Include the exact model, software version, any error message, what you have already tried and when the problem began. Avoid sharing passwords, verification codes or private account details in a public forum.
For equipment that is hot, damaged, wet or making unusual electrical sounds, stop using it and seek qualified support. Do not open power supplies, batteries or mains-powered equipment.
Settings and menu names vary by model and software version. Use the manufacturer's current instructions for device-specific steps, and back up important files before making changes that could remove data.