6 steps not to be missed when choosing to buy an old iPhone

When buying an old iPhone, users are more likely to encounter errands or faulty machines. The following notes help you choose a good old iPhone.

1 - Check IMEI / Serial number

Checking IMEI and Serial numbers helps users understand preliminary information about activation date and warranty period. For older iPhones, the warranty period may no longer exist. Therefore, the buyer needs to check if the IMEI / Serial number printed on the box matches the number indicated on the device. To view the IMEI / Serial number on the device, users can go to Settings / General Settings / About . If the reconciliation results do not match, the buyer should ask to exchange another device.

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2 - Check machine appearance and accessories

This is a difficult step for people who first buy iPhone. Old reconstructed iPhones look quite new. If the seller advertises a " zin " accessory, the cable and the charger will look a bit old and discolored. If the accessory is brand new, there are only two possibilities: the previous user does not use the accessory ( unlikely ), or the entire accessory is a fake.

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In many cases, the appearance of an old iPhone will " denounce " whether the previous user is careful. Look at the screws on the body. If the snail has scratches, it indicates that the device has been removed for repair. Sometimes, with " super-built " iPhones, the look is perfect, the buyer needs a knowledgeable person to be able to " unpack " the device, check the internal components.

3 - Try out the basic features

Older iPhones sold in stores have often been thoroughly tested for basic features. However, to "be sure ", buyers should still check all the basic features like listening, calling, texting, taking photos, recording videos . Sometimes, an iPhone looks like new but " Spill " difficult to understand even when running basic features.

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To test the touch, users simply click on an icon and drag it across the screen, if suddenly the icon is "dropped" during finger movement, the screen of the machine is definitely paralyzed. The Home button is also a part to check carefully for older iPhones. A good home button will have a slight bounce, smooth press, no entanglement.

4 - Restore the machine to check iCloud

iCloud is the "nightmare" of old iPhone buyers and sellers, often appearing on stolen iPhones or for some reason the previous users have not yet quit iCloud. When buying old iPhones at the store, the shop owner will often say clearly about the status of iCloud to avoid trouble with customers.

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With iCloud "hidden" machines, users can use them normally but they are not allowed to restore or reset all settings. If you don't want to buy an iPhone with iCloud, restore it. If the iCloud account login screen appears, return it and stop trading.

5 - Check battery

The big problem with the iPhone is the battery life. From the iPhone 5S backwards, the iPhone series have low capacity batteries. Used old iPhones often suffer from battery bottles, even battery failure due to reduced charging performance. To check the battery, the buyer can bring a computer with iBackup software installed, plug the cable to connect the iPhone to the computer to check the charge and availability (capacity).

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For example, an iPhone 5 has a theoretical battery capacity of 1,440 mAh, but an old iPhone 5 will only charge between 1,000 and 1,300 mAh. This number is as close to the theoretical number as possible.

6 - Learn reputable sellers, warranty at the store

It is not difficult to "Google" issue the identity of the seller or store that sells the old iPhone. Good or bad feedback will be the basis for users to choose to buy the old iPhone at that place. In addition to the machine inspection operations, the store's warranty mode will indicate the durability of the device. For stores that sell second-hand good quality goods, the one-time warranty can be up to 6 months. For stores that sell "witty" goods , the warranty period can be from a few weeks to a month.