Why can t the phone card be read when the phone is dropped? ?

In the absence of a warranty period??? Are there any noticeable bumps in the four corners of the phone? If you don't, you go to the after-sales service and say that the phone is broken if you don't know what's wrong. The following is the repair content of the Apple mobile phone on Apple's official website

iphone 4/4s

Warranty period from the date of purchase.

iPhone and included accessories are covered by a 1-year warranty.

Our Repair & Replacement Policy.

Depending on the failure situation, we'll either replace the faulty part* or replace your iPhone.

All replacement iPhones and parts are new.

A repaired or replaced iPhone

Warranty period. A recalculated 1-year warranty applies to a replacement iPhone**.

Replacement parts and accessories are covered by the remainder of the original 1-year warranty or 90 days of warranty, whichever time is reached.

whichever is longer.

In the case of the iPhone 4 4S, the parts we can replace include: SIM card slot ejector, battery, camera, and back cover.

iPhone 4 4s that have been partially reassembled and repaired by Apple or an Apple Authorized Service Provider are also covered by a recalculated 1-year warranty.

Typing is not easy, such as satisfaction, hope.

When your phone shows no SIM card after you drop, try the following steps first:1Slap your phone:

A gentle tap on the phone may cause the SIM card to reconnect, which can help restore the signal. 2.Reinsert the SIM card:

If tapping your phone doesn't work, try removing the SIM card and reinserting it. Make sure the SIM card is inserted in the correct place. If needed, you can clean the SIM card a bit (using a cotton swab and a small amount of alcohol) and insert it again.

3.Check the SIM card: Try inserting the SIM card into another phone to make sure it's the right match.

4.Contact your mobile phone carrier: If you've tried the above and still can't fix the problem, then you should contact your mobile phone carrier for help, as they can usually provide further support.

If the above measures still do not solve your problem, then it may be a hardware problem with your phone, and it is recommended that you take your phone to a professional repair center for repair.

The solution to the problem of the mobile phone falling and showing the hand to imply that there is no SIM card: 1. Check whether the mobile phone card slot or SIM card is damaged: you can insert other mobile phone cards to try, and then put the SIM card of the mobile phone itself on other mobile phones to see, if the card slot is damaged, it is recommended to replace the card slot, if the SIM card is damaged, please go to the business hall to change the SIM card.

2. Do not read the SIM card caused by network delay: you can turn on the airplane mode of the mobile phone, turn it off after five seconds, or restart the mobile phone. 3. If the signal is not good, you can't find the signal reading SIM card, so you can search in another place.

4. The card is damaged or the phone has been upgraded: The card needs to be used according to the mobile phone version, please replace the card.

Summary. If the phone drops and shows no SIM card, there are several possible solutions:1

Reinsert the SIM card: Turn on the phone, remove the SIM card, and check for damage or bending. If so, you need to replace it with a new SIM card.

Then reinsert the SIM card, make sure the socket is installed correctly, and turn on the phone again to see if it is normal. 2.Clean SIM card and slot:

Use a cleaning cloth to gently wipe the SIM card and slot to make sure there is no dust or dirt. 3.Restart your phone:

Sometimes, simply restarting your phone can fix the problem. 4.Check your network settings:

Make sure your phone is properly configured with network settings. If needed, you can manually configure the network settings. If the above methods still do not solve the problem, it is recommended to contact the mobile phone manufacturer or carrier for consultation or repair.

Just tried it and stuck it on other phones can be used no problem, but in my phone just doesn't show up.

If the phone drops and shows no SIM card, there are several possible solutions:1Reinsert the SIM card:

Turn on your phone, remove the SIM card, and check if there is any damage or bending. If Bikai has one, you need to replace it with a new SIM card. Then re-insert the SIM card, make sure the socket has been installed correctly, and turn on the phone again to see if it is normal.

2.Clean the SIM card and slot: Use a cleaning cloth to gently wipe the SIM card and slot to make sure there is no dust or dirt.

3.Restart your phone: Sometimes, simply restarting your phone can fix the problem.

4.Check network settings: Make sure your phone is properly configured with network settings.

If needed, you can manually configure the network settings. If the above methods still do not solve the problem, it is recommended to contact the mobile phone manufacturer or carrier for consultation or repair.

It could be that the phone card slot is damaged. You can check whether the card slot is open to see if there is a foreign object, or take a flashlight to shine a flashlight on it to see if there is any damage to the old man. Mobile phone is a problem with early tracking. You can try restarting your phone or upgrading the system to fix the problem.

1. Mobile phone SIM card.

Poor contact with the shrapnel of the mobile phone card slot, resulting in the SIM card circuit can not work, and the mobile phone and the network base station can not communicate, at this time, you can remove the SIM card and wipe the SIM card gold finger with a cleaning cotton cloth.

, reinstall it.

2. The application software for the installation of the mobile phone is not compatible with the system, resulting in the system software turning off the modem in the mobile phone signal processing circuit.

At this time, you can turn off the phone and restart it, the modem in the mobile phone signal circuit will restart, and when the signal is normal, delete the suspicious mobile phone application software installed before the problem.

3. The SIM card of the mobile phone is not registered in the network, at this time, you can insert this SIM card into another mobile phone, if it also shows no service as the reason for the SIM card.

5. If the signal coverage of the mobile phone SIM card network operator is not available, you can change the location to an open area, and then check the mobile phone signal grid display, if the display is normal after changing the location, you can call the network operator service ** for feedback and complaints.

6. **The card has been used for too long, and with a valid certificate, you can go to the local business hall to reapply for a card.

The reasons why iPhone dropped and showed no SIM card are as follows:1Check if the phone card slot is damaged

You can try to insert another mobile phone card, if the card slot is damaged, it is recommended to replace the card slot. 2.Check if your phone's SIM card is damaged:

Put the SIM card of the mobile phone itself on another mobile phone to see if there is any signal, if the SIM card is damaged, please go to the business office to replace the SIM card.

3. Check whether there is a card or the card is damaged: some locked mobile phones need to cooperate with the card to search for signals, please install the card to use, if the card has been damaged or the phone has been upgraded, replace the card.

Maybe the connection is loose, the contact is not good, or the movement is misaligned? You can pull out the card holder, check the SIM card, and try to adjust it.