Simply tap on "maps" on the homescreen to open the Maps application. Then tap on the little circle in the bottom left corner to locate yourself using the gps module.
Out of the box, the iphone 3g doesnt support turn-by-turn directions like your usual tomtom gps system.
You can download apps for that when youre on softwareversion 3.0.
SOURCE: GPS not working
Try this -
1) Settings > Enable 3G Change to Off.
2) Use the iPhone GPS receiver to locate your position
3) Settings > Enable 3G change to On.
There are two positioning systems in the iPhone 3G, one is the 3G network, and the second is the GPS receiver. The problem occurs when the data from the two systems doesn't match.
SOURCE: iPhone 3g White Apple Logo Screen of Death
Press and hold Sleep/Wake and Home until the iPhone resets.
When the Apple logo appears release Sleep/Wake, but do not release Home until you see the prompt to connect the iPhone to iTunes.
to restore the iPhone’s firmware, all your settings, all your media, and all your Apps.
I don't recommend you to do the offered backup, I've seen a few things more reliable then this backup, to say the least...
To avoid the screen of death, do not update all the features with the "Update All" feature, updates your features one at a time, avoid performing other tasks while updating your iPhone.
Mine drope the calls and the Apple Bluetooth hands free does not work in my 3G, the volume is very low, and with my old Iphone was great.
SOURCE: how to change the simcard of my apple 3g iphone?
The SIM card in the iPhone is removable, but it's hidden. To remove the SIM card, you need a paper clip.
We are checking to see if this voids your iPhone warranty. If you are concerned that it might, please don't perform this task.
The iPhone's SIM card is located behind this door.
1. Locate the SIM Card Slot
The slot is located at the top of the iPhone, between the headphone jack and the power button.
The paper clip is a valuable tech tool.
2. Open the Slot
Take your paper clip and insert it into the little hole. Then firmly push down until the slot pops up.
3. Remove the SIM Card
The SIM card is in a cradle. You can pop the card out of the cradle.
To replace the SIM card, put the card back in the cradle. The cradle
and card are notched in a way that forces you to replace the card on
the proper side. Then just slide the card back into the iPhone.
Thanks alot,
Sanjeev Kumar
SOURCE: Iphone 3g 3.0 stuck on iphone apple logo loading screen
If iPhone won't turn on, or the display freezes or doesn't respond
More resets:
Try This:
1. Remove Sim Card
2. Hold in 'Home' button and 'On/Off' button together until Apple logo appears
3. Replace Sim Card
4. Hold in 'Home' button and 'On/Off' button together until normal phone screen appears.
Also, Try this:
1.) Shut down the iPhone 3G.
2.) Start up iTunes
3.) Hold down HOME button on the iPhone 3G
4.) While keeping the HOME button depressed, plug in the Sync cable
5.) A message will pop up to ask if you want to reset.
6.) Just click YES and the reset process should start.
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309
Testimonial: "the last option helped alot thanks x"
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