iPhone SE(2020) Sudden Malfunctions/Troubleshooting

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iPhone SE(2020) Sudden Malfunctions/Troubleshooting

Hi, after working completely normal until yesterday, my iPhone SE(2020) has suddenly started exhibiting a variety of crippling symptoms. I’m not even sure where to start. It is on iOS 17.6.1

1.) Phone began crashing to a completely black screen, requiring a volume +/-/button hold hard force restart.

2.) After restart, phone loses all of its settings/logins/etc. for every app. And system function, requiring a fresh login/setup for literally everything. Does not lose data though(photos, etc.).

3.) Phone refuses to stay powered off. After you manually power it off it starts itself back up without touching it.

4.) Phone heats up by the SIM card, incurs a “No Service” error and requires hard restart to correct, even just sitting on the Home Screen with no apps running.

5.) When on and not connected to power, displayed battery %(previously rated @ 80% health), swiftly drains at a rate of about 1% every 5 seconds until the phone loses power and crashes.

6.) email app will not start properly, and often incurs a complete system crash when tried. All other apps appear to work normally.

All of these symptoms started suddenly yesterday. I can’t even keep it stable long enough to back it up or try to update the software. My question is: Where do I even start with troubleshooting? Is it the SIM card? Is the battery gone? Is it a software issue? On a 5 year old phone is it even worth investigating? Where should I be going first the Apple Store or my cell provider to check the SIM card?

iPhone SE, iOS 17

Posted on Jan 18, 2025 2:30 PM

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Answer 1

Jan 18, 2025 10:32 PM in response to Overtones

Update to iOS 18.2.1. I would personally recommend everyone update their devices instead of listening to rumors from people who may not have kept their devices free from any spurious software.

Was your device Jailbroken? If that's the situation, please be informed that attributing the issues to iOS updates may not be accurate.

I have been updating my devices ever since I bought my first device in 2009. iPhone 3Gs, 4S, 5, 6, SE (1st Gen), 7, 8 and iPhone 12 Pro, iPad Pro, iPhone 13, Macbook Air 2019, MacBook Pro 16"

I never had any issues with any iOS, iPadOS, or macOS updates to date.

I would personally recommend everyone update their devices instead of listening to rumors from people who may not have kept their devices free from any spurious software.

iOS / iPadOS devices cannot be hacked or infected with Virus / Malware / Spyware if it is updated to the latest iOS/iPadOS unless you have intentionally downloaded spurious software or unauthorized apps directly from the internet and installed them on your device or/and have Jailbroken.

iOS updates generally aim to enhance user experience, boost security, and fix bugs rather than disrupt core features. Issues after updates might stem from underlying, unmentioned factors. Updates won't typically alter personal data but may refine settings or features. Backup before major updates for safety. Review Apple's update details and backup advice for a smooth process.

This seems purely coincidental so please check the Setting on your device.

See what each update does: About iOS 18 Updates, About iOS 17 Updates, About iOS 16 Updates, About iOS 15 Updates, About iOS 14 Updates, About iOS 13 Updates, About iOS 12 Updates, and so on...

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