The iPhone has a 3G feature that enables the phone to switch from high-signal Wi-Fi areas, where the 3G technology works, to the 2G technology in areas of weaker signal strengths. If you need to strengthen the signal of your iPhone, you can do so easily without having to take it to an Apple service centre.
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Make sure you always have an adequately charged phone when you leave your house. Look at the battery icon at the upper right of the screen and it will tell you how much charge you have left in your battery.
Turn your phone on and look at the upper left-hand side of the screen. This will tell you how strong your signal strength is. If you feel it is too weak, try restarting the phone.
Press down the "Home" button and the "Sleep" button at the same time. When you see the white Apple appear on your screen, your phone has restarted. Check the signal strength.
Tap the "Settings" icon. When that opens, go to "General" and tap the word to open. Go to "Reset" then tap "Reset Settings." That will remove some of your settings and look for stronger signals.
Check to see that your SIM card is put in correctly. Improperly housed SIM cards can cause a disruption of the signal. Take out the SIM and put it back in again.
Attach a cable or the charging cable and just let it dangle. It is unclear why this works. It could be that the cable acts as a mini antenna and pulls in weaker signals.
Tips and warnings
- Make sure you keep your software updated to be certain you are getting the best fixes for any issues of which Apple is aware.
- Never open your iPhone or use third party software that voids your warranty. Apple has the most comprehensive warranty on its product so if you continue to have a problem, contact Apple.
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