How to Repair the Most Common Issues in Used iPhones
If you’re looking to buy a used Apple in bulk, you probably know that every iPhone model has some issues. It is important to understand the potential problems you may face when purchasing these devices from a used iPhone wholesaler. You can fix many Common Issues in Used iPhones at a minimal cost. Here is a summary of common iPhone problems to check when buying a used phone. How to Repair the Most Common Issues in Used iPhones with Technical Dost.
1. “Bad Battery”
Among the things to check when buying used iPhones, the battery tops the list. iPhone batteries, like all lithium batteries, degrade with use. The older the iPhone, the more likely the battery is to fail.
Older iPhones usually have less battery capacity than newer phones. However, some older iPhones may experience rapid battery drain issues—where the battery drops from 80% to 20% in a short amount of time—especially after some iOS updates. Apple confirmed that iPhones with outdated batteries will perform slower.
The good news is that some of the known battery-drain issues related to the software have been addressed in subsequent updates. Apple has also added battery-capacity monitoring. In some cases, upgrading the phone’s iOS can fix the battery issue.
How to fix bad batteries
As a first step, upgrade the phone’s iOS. If that doesn’t work, replace the battery, which you can usually accomplish in a few minutes. And it becomes easier with each repetition. Here is a list of YouTube video tutorials for replacing the iPhone battery to help you get started.
2. Touch ID and Face ID issues
In some cases, there are issues with the Touch ID security feature on used iPhones. Most of the time, these problems are temporary and can be fixed with a software update. But, as is the case with battery problems, it doesn’t always work.
How to fix Touch ID problems.
If you buy iPhones in bulk and encounter devices with Touch ID issues, restore system settings to their defaults. You can also try restarting the iPhone and verifying that the Touch ID feature is activated. If that doesn’t work, update to the latest version of iOS and re-scan the fingerprint.
Keep in mind that Touch ID can be sensitive. Use a microfiber cloth to clean Touch ID. This allows you to remove any dust or debris that would otherwise corrode the reader. Fix Common Issues in Used iPhones.
Touch ID’s light touch won’t register feedback. When testing Touch ID on a used iPhone, make sure your entire finger is pressed against the reader. You should keep your finger still for at least a few seconds to see if the reader reacts to it.
The case or screen protector used for the iPhone can also affect the response to Touch ID. Be sure to remove the case or screen protector from the iPhone before testing Touch ID.
Face ID began replacing Touch ID with the iPhone X in 2017 as the primary user authentication protocol. Face ID, like Touch ID, occasionally becomes unresponsive. It frequently stops working after an iOS upgrade, which is a regular failure scenario. If Face ID is set up properly and your face is not unlocking the iPhone, try rebooting the device. If that doesn’t fix the problem, enter Settings and reset Face ID.
3. Contact disease
Touch dysfunction is a unique iPhone screen problem. This problem occurs when the touch controller chip fails to fully connect to the logic board. The first symptom is a flickering grey bar that appears at the top of the display. As the chip progresses, the phone’s touch screen becomes unresponsive.
This was the most common fault on the iPhone 6 and 6+. It can also be found in later iPhone models.
How to cure tactile dysfunction
A simple force restart may be enough to cure touch sickness. Or, you can remove resource-intensive apps from your iPhone, restore the device’s factory settings, or remove and replace its SIM card. If none of these solutions work, you can micro-solder the touchscreen controller chip back to the logic board. It requires precision and care. If you make a mistake as a micro solder, you risk permanent damage to the iPhone.
4. There is no vibration.
In terms of common iPhone problems, the lack of vibration may be at the top of the list. When there is no vibration, your iPhone handset is not working properly. Your iPhone’s vibration motor may need to be replaced to fix the problem. Fortunately, replacing the vibration motor in an old iPhone is a straightforward task.
Sometimes a handset stops vibrating or giving haptic feedback after an iOS update. Yet the problem is not always caused by a software issue. If restoring to factory settings or DFU restore does not fix the problem, chances are the haptic engine is faulty and needs to be replaced.
How to fix “no vibration”
To verify that the switch next to Vibrate is on, go to your iPhone’s Accessibility settings. Your device should vibrate if the switch is turned green.
It is also possible that the iPhone will not vibrate if the device’s vibration pattern is set to None. In this example, go to Settings and choose General, then Sounds & Haptics, then choose Ringtone. At this point, select Vibrate at the top of the screen. Make sure there is a checkmark next to everything other than “None.”
If none of these tips work, your iPhone’s vibration motor may be faulty. Here is a step-by-step guide to replacing the vibration motor in an iPhone.
5. Chipped Glass
With or without a case and screen protector, the iPhone is a solid, sturdy smartphone. Despite this, accidents keep happening. If an iPhone falls or falls, the screen may crack. Cracked glass is a common iPhone issue. This issue can only be resolved by replacing the complete screen.
How to replace the cracked glass?
Replacement kits for a cracked iPhone screen are available online. They frequently provide instructions for properly removing a cracked iPhone screen and replacing it. For example, this video shows how to replace the screen on the iPhone 7 Plus. There are other video tutorials on YouTube for DIY screen replacements for all iPhone models.
Tips on How to Fix iPhone Problems
- You don’t have to be an Apple expert to fix iPhone problems. Here are some troubleshooting tips for common iPhone issues:
- Restart your iPhone. Switch off and then on your iPhone. Rebooting the iPhone restores the software and can return it to a stable state.
- Update iOS: make sure the operating system on the iPhone is up to date. It usually takes only a few minutes for an iOS update to download and can improve the speed and performance of the device immediately.
- Reset All Settings: To resolve software and hardware issues, perform a factory reset.
- Review the health of your battery: Take advantage of the Battery Health setting (available on iPhones running iOS 11.3 and later) to assess your device’s performance. If battery performance is severely degraded, replace the battery.
- Keep an eye out for trash that can accumulate inside your iPhone’s ports. To clean the ports, use a can of compressed air.
These tips did not solve every Apple iPhone defect. But, they can help you address common iPhone problems quickly and cost-effectively. You can also use them to continually review the status of the iPhones on your list and prevent problems from escalating.
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