Unlock a jailbroken iPhone 3GS to use it with T-mobile. DISCLAIMER: This only works with an iPhone 3GS, not any other iPhone, and only on firmware 3. 0 or lower. 1. Turn off 3G under "settings" and then "general". 2. Go to Cydia. 3. click "manage" and then "sources". 4. Press "edit" and then click "add". 5. Type in: http: //repo666. ultrasn0w.com. 6. Add source. 7. Wait for it to update the sources. 8. Click "repo666" and then "Ultrasn0w". 9. Click "install" and wait for it to install . 10. Hit the home button. 11. Remove the SIM card and replace it with your T-mobile SIM card. You should get T-Mobile service and now have a fully unlocked iPhone 3gs !
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The next big software update for iPhone is coming sometime in April and will include a Food section in Apple News+, an easy-to-miss new Ambient Music app, Priority Notifications thanks to Apple Intelligence, and updates to apps like Mail, Photos, Podcasts, and Safari. See what else is coming to your iPhone with the iOS 18.4 update.
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