What are the pros and cons of Apple used phones?

Many people have different needs for mobile phones, such as appearance, brand, performance, etc., and the replacement speed of mobile phones is very fast, so many people buy second-hand mobile phonesSlowly there is a big market, among which Apple's second-hand mobile phone is really good, everyone knows that Huaqiangbei, what are the pros and cons of Apple's second-hand mobile phone, everyone wants to know, in fact, it is a little cost-effective, the disadvantage is that the signal is not good, let's analyze it.

First of all, Apple's baseband has always been a problem, basically the signal is not very good, if you live in a second-tier city or above, you can buy it, otherwise it is really not recommended to buy it is likely to be a daily signal like this, and there are also locked and unlocked versions, this lock does not refer to what cracks the password lock, Apple's protection technology is very high, even if you pick up the Apple mobile phone, you can't crack it, you can only say that you can disassemble the machine and sell parts, and this lock is actually a card machine, in layman's terms, it is a contract machine, directly inserted** The card is not recognized and needs to be used with a sticker.

But Apple's baseband signal itself is not very good,It's not really recommended to buy it if you do it in the city,The signal can't be guaranteed,But the ** of the card machine will be much lower than normal,It belongs to the second-hand Apple in the more cost-effective,This is his advantage,In addition to the need for a card to crack the signal, the function is no different from the normal Apple mobile phone。

There is also the ability to upgrade the system, but you must not update the operator and erase the data, otherwise it may become a brick, this is a bad place for the card machine, normal second-hand Apple should also pay attention to whether the screen has small white spots, whether the face is intact, the best thing for Apple is to unlock the face, if the face is bad, <>

The price will be greatly reduced, and there is to have a certain experience, don't be greedy for cheap, otherwise it is likely to buy a domestic fake Apple mobile phone, so it will be a big loss, in general, second-hand Apple mobile phones are actually still possible.

The advantages of buying a second-hand Apple mobile phone are, first, you can buy a popular model with a cheap **, and second, it is more valuable than a new mobile phone. Disadvantages, once a used mobile phone is somewhat worn. Second, the performance of mobile phones, especially the battery, is not effectively guaranteed.

Third, the phone may have been modified internally, not the original accessories. Fourth, the manufacturer's after-sales service can not be effectively handled.

The advantages of Apple's second-hand phone are cheap, cost-effective, and the value of the mobile phone is high, and there are more disadvantages, first of all, the body will inevitably have flaws, the screen may not be the original screen, the mobile phone battery is not durable, and buying a second-hand Apple mobile phone, it is easy to be deceived.

The advantage is that it is very cheap, and the disadvantage is that there will be more problems after a long time.

The good thing about Apple mobile phones is that Pinduoduo, Douyin, and Kuaishou can't get in. You don't have to clean up the garbage next piece, that's these good, no ads I like.

OK.

The second-hand price occupies an advantage in **, which is much cheaper than the new machine. But it should be noted that it is worth buying and buying a good second-hand Apple phone is two different things. If you buy a reliable second-hand Mac, it is really a valuable thing.

Therefore, if you want to buy a reliable second-hand Apple Lift Grip mobile phone, it is recommended that you must consider the following two points, first of all, how to find a reliable second-hand Apple mobile phone ** channel; The second is how to know whether the second-hand Apple mobile phone you bought is reliable.

Precautions for the use of second-hand Apple mobile phones.

When buying a second-hand Apple mobile phone, it is necessary to check whether the camera and wifi can be used normally, and the speaker and call volume should be tested.

When buying a second-hand Apple mobile phone, you should pay attention to the battery power check, it is best to open the percentage of the Apple mobile phone, test the power loss of the mobile phone, under normal circumstances, one hour socks answer hidden power loss 10% is normal, if the power is too fast, it means that the battery of the Apple mobile phone has a problem.

Second-hand Apple mobile phones are worth buying, and the ** of second-hand Apple mobile phones in good condition will not be very high, and some are worth buying during the warranty period. However, when buying a second-hand Apple mobile phone, we should pay attention to the following points:

1. Don't be cheap. Second-hand iphone is indeed very cheap, but it should be clear that second-hand mobile phones also have market prices, lower than the overall second-hand market** mobile phone finger cover, don't be tempted, although there will be the possibility of leakage, but more often you are "stepping on thunder".

2. Choose the right merchant. When buying a second-hand iPhone, try to choose an individual seller, not a third-party merchant who specializes in selling second-hand iPhones. Merchants are profit-oriented, although second-hand merchants** may be lower, but the risk is greater.

The machines used by individual sellers themselves are obviously more secure.

3. Do your homework before buying and understand the basic information. The iPhone is also divided into the Bank of China, Hong Kong version, American version, Korean version, etc. Each version of the ** is also different, if in order to be more assured, it is recommended to buy the national version first, of course, the national bank is also the most expensive version.

If you buy a second-hand iPhone, it may mean that there is a problem with the machine you bought, or that the battery is not durable, or that the battery is unstable, so if it exists, it is not easy to use it or that it is defective, and there is no big problem with others.

First of all, there are pros and cons of buying this phone. His strength lies in the fact that his B is cheap because it is second-hand, so the old clothes used are topped, and no one will know the difference between Xiaohe, so you must think about it when you buy it, it is better to buy a new Huawei mobile phone.

It is more cost-effective to buy a second-hand iPhone**, but it is not easy to find out if the product you buy has a quality problem.

Pros of a second-hand iPhone.

For consumers, the old iPhone is enough to beat many Android flagships in terms of smoothness.

The iOS system has always been known for its safety and reliability, even if it is an old iPhone, if it is purchased from a regular channel, it can still be upgraded to the most ** iOS system, and it will not be a problem in terms of security.

For users, the value retention rate of second-hand iPhones is higher, after all, when you buy it, it is already low enough, and if you use it for a period of time and then sell it, you will not lose too much, and because the second-hand trading of iPhones is quite active, it will be easy for users to sell again. In contrast, Android phones depreciate rapidly, often depreciating by nearly half a year after the launch of new phones, and if they are sold as second-hand, the loss will be greater.

Disadvantages of second-hand iPhones.

There are many second-hand iPhone problem machines, for consumers, if there is no certain knowledge, it is easy to buy a problematic refurbished machine, the probability of this iPhone malfunction is relatively high, for users if they buy this kind of iPhone, it is indeed quite troublesome to repair it at two ends in three days.

iPhone is widely welcomed by consumers, and its value is relatively high, which has also led to the current many mobile phone brands, Apple's iPhone fake problem is the most serious, some illegal businesses in the manufacture of fake iPhones have also reached the point of almost real, which also leads to the probability of consumers buying fake iPhones is relatively high, consumers need to practice sharp-eyed to buy second-hand iPhones.

After each iPhone is activated by the user, it will have a corresponding user ID, Apple provides iCloud services, if the consumer buys some stolen iPhones, it is likely that their relevant information will be synced to the original user's new iPhone due to the use of a shared synchronization.

Second-hand iPhone generally has the problem of poor battery life, because the iPhone is still smooth for many years, so iPhone users often use an iPhone for two or three years, and the battery after two or three years of use, its performance will be greatly reduced, and the battery life of the iPhone will be greatly reduced, so users often have to spend an extra amount of money to replace the battery when buying a second-hand iPhone.

First check the serial number of the mobile phone, this can be found in the settings--general--about the phone, and then go to the official website of Apple to check, if you can't find it, it must be a copycat fake. The information found is inconsistent with the actual situation, and it must be retrofitted and refurbished.

Confirm that the phone is real, and then check whether the basic calls, camera, WiFi, fingerprint, Face ID, etc. can be used normally.

Check the battery wear and tear of the mobile phone, the iPhone battery is not removable, and replacing the battery is also a large expense, you can go to Settings - Battery - Battery Health to check the wear and tear of the battery.

There are a few things to keep in mind:

1: Screen detection.

Go to Notes to see if there are any black dots on the screen.

Go to the Compass to see if there are white spots and light leaks on the screen.

2: Key Detection.

Click and double click the home button multiple times to check the key reaction.

Try the mute button again to see if it can mute and vibrate. Toggle the volume buttons on and off to see if you can adjust the volume. See if the power button can lock and open the screen, and listen to whether the sound is crisp and clean and powerful.

3: Transmitter test.

Turn on Siri to see if he can hear what you say, open the voice memo that comes with the phone to see if it can record, these two functions are fine, indicating that the transmitter is fine.

4: Call detection.

Insert a mobile phone card, switch on and off the airplane mode a few times to see if you can quickly switch to the operator, call 10086, listen to whether there is any noise during the call, cover the sensor at the top of the screen to see if the screen quickly blacks out, if so, it means that there is no problem with the distance sensor. Then turn on the hands-free to see if the appearance and function are normal.

5: WiFi Dental Care, Gravity Induction GPS Detection.

Turn on the wifi, whether the mobile phone can search for nearby signals. Then open Apple's built-in map to test the GPS to see if it can accurately locate your location. Open the **app, turn the phone upside down to see if you can switch to the landscape screen, you can know that there is no problem with the reset induction.

6: Camera detection.

The camera is particularly important, first turn on the camera to test the rear camera, tap anywhere on the screen to see if the diagonal is normal? Then swipe left and right to see if you can switch between slow motion, time-lapse shooting, etc. freely. Take a blank piece of paper and focus it to see if the camera has a watermark, then turn on the front camera to see if the focus is normal.

Turn on the flashlight to see if the flash is normal.

7: Fingerprint or Face ID detection.

Turn on the fingerprint (face) to unlock, take the fingerprint (face) and then lock the screen to see if the fingerprint can be unlocked successfully, if you can, there is no problem.

8: Detect the ID and restore it.

Click on the settings to see if there is an ID in it, if there is, it may be that the seller did not give you a good test before sending it out, or it may be a stolen machine. Finally, open Settings - General, find the last restore to see if you can erase all content and settings, if you can, it will be unlocked.

9: Battery detection.

Whether the iPhone battery is durable is also a matter of great concern to everyone, and there is no problem with the function, and it is quite painful that the battery is not durable. How to detect it? Cha Aisi, the battery efficiency of more than 80% can be used.

10: Dismantling detection.

Disassemble the machine to see if the motherboard is repaired and water, this operation is only to check the original in the motherboard do not move, there are two waterproof marks in the motherboard, which is white under normal circumstances. Friends who won't disassemble try not to try.

1.If the second-hand Apple phone is not used for a long time, it is still within the warranty period, and the performance is still good in all aspects, then it is still worth buying, if the second-hand Apple phone has been used for a while, and the internal motherboard and battery are aging, then it is best to skip such a choice. 2.

Check the appearance for bumps and scratches, and whether there are traces of dismantling and repair. If you buy online, the seller must describe that there are no scratches or bumps. 3.

Check whether the mobile phone is **. Check it online for yourself first. Generally, regular mobile phones can be queried on the ** on the details of the mobile phone, or on the official website of the brand mobile phone.

If it can be queried, it is **, otherwise it may be a copycat. 4.Functions of the phone.

When buying a second-hand Apple mobile phone, you must check whether it can be used normally, and the speaker and the volume of the call must be tested. 5.Sign out of your Apple ID.

When you get the phone, you have to see if you have canceled the previous ID, if not, you can't work normally**app. Even after logging in to your ID, you should try to see if you can ** the software. 6.

It is important to check the battery. Now the Apple mobile phone can see the maximum capacity of the battery, under normal circumstances, it is normal to lose about 10% of the power in an hour, and if it is too much, it may be a problem with the battery. 7.

Factory settings. Reset all content and settings and reactivate. If there are no problems with the above steps, then you can use it with confidence.

Also, remember to buy it from a regular source.