What should I do if the Apple 4S mobile phone system is upgraded and the wireless network can t be o

Hello, I'm glad to answer for you.

According to your description, it can be a software problem, but the hardware problem cannot be ruled out, and it is recommended to restore the system first. If the fault persists, then send it to the repair center for repair.

If your phone is not jailbroken, follow the steps below to update your system.

First of all, you need to install iTunes software on your computer (you can use Apple's official website or 360 Software Manager**), and then you need to connect your phone to the computer with a data cable. The driver is automatically installed on the phone, and iTunes will prompt you that an update is available on your device, and then you can update the system according to the prompts** latest firmware.

Although this method will not erase data on your iPhone, please be sure to back up important information such as **number**! To avoid data loss due to upgrade failure!

If your phone is jailbroken, follow the steps below to update your system.

First of all, the computer needs to install the iTunes software (you can use the official website of Apple or 360 Software Manager**), and then you need to put the phone into recovery mode, and connect the data cable to the computer. Press and hold the home button and turn on the key The phone will automatically shut down, after 15 seconds, release the HOME button and continue to press and hold until the computer shows that new hardware has been added, then iTunes will prompt your device to be in recovery mode and operate according to the prompts**The latest firmware, and then you can restore the system.

This method will erase all data on your iPhone, please be sure to back up your **number** and other important information!

If the recovery system failure is still there, then the only way to get it to the repair center is to repair!

Totally original welcome!

Possible reasons and solutions for Apple 4S wireless network not opening:

1. First of all, check whether the wireless router is working normally, you can use other mobile phones or digital products to connect to the wifi signal, if you can connect normally and surf the Internet normally, then it is a problem with the mobile phone.

2. The phone is turned on the sleep state and the network is turned off. Check whether the mobile phone is enabled to turn off the network in the sleep state, the mobile phone will be disconnected after a period of time or the coarse mu can not receive the background chat software, the possible reason is that the phone hibernation and the function of turning off the network are turned on by mistake.

3. If you use the router for a long time, the router may freeze its death. Just restart your wireless router.

4. The type of certification is not suitable. Try to change the authentication type of the router, it is better to choose the secure WPA2 PSK type mode, and the following encryption algorithm is better to choose AES.

5. The mobile phone network setting is abnormal. Open the Apple phone settings, enter the general column, and click Restore to reset the network settings.

6. If the above measures cannot solve the problem, it is recommended to contact customer service for after-sales maintenance.

The Apple 4S wireless won't turn on, probably due to an abnormality in the system.

In this case, it is recommended that users back up their phone data, and then go to Settings, and choose to restore their phone.

After the phone is restored normally, the user is trying to turn on the wireless network, if it is a system problem, it can be repaired after the restoration.

If it still cannot be turned on normally, it may be caused by the failure of the wireless module, in this case, it is recommended that the user bring the mobile phone, invoice, and warranty card to the local brand customer service for testing.

The iPhone and its included accessories are covered by a 1-year warranty from the date of purchase.

Replace the faulty part or replace an iPhone depending on the specific failure situation.

If there is a problem with the accessory, it will be replaced with a new one.

All replacement iPhones, accessories, and parts are brand new.

Replacement parts and accessories are covered by the remainder of the original 1-year warranty period or a 90-day warranty period from the date of repair or replacement, whichever is longer.

If the phone is out of warranty or has a human fault, you can only pay for repairs.

Have you ever used the software for deep deletion, if not, it may be that the wifi is broken, if you can go to Apple after-sales service for free repair during the warranty period.

1. On the main interface of iPhone, select "Settings", here is the iOS7 version, different versions may be slightly different;

2. Find the "General" option in the settings interface, which has many practical functions;

3. In the general option settings, select "Restore", and the details that can be restored appear, select "Restore Network Settings";

4. At this time, a confirmation prompt will appear, confirm and click "Reset Network Settings";

5. After that, the iPhone will automatically restart, after the restart is completed, you need to re-enter the wireless network password, and you can reconnect to the wifi network before reconnection;

6. If you still can't connect, please turn on airplane mode, and then turn off airplane mode to try.

There are several scenarios in which the phone cannot connect to Wi-Fi properly:

1. Confirm that the password has been entered incorrectly.

Symptom: The password is incorrect, the message is rejected, and the network cannot be connected.

Here's how to fix it:

1) Check whether the password is entered incorrectly or the characters filled in are case-sensitive, and the number of digits entered in the password is too long or too short.

2) There are too many wireless network users connected, try to connect later.

2. Prompt: Connecting to wifi is rejected.

Fault phenomenon: others can connect, but you can't connect to wifi, and the connection is refused.

Here's how to fix it:

1) The router device may have enabled wireless MAC address filtering, it is recommended to contact the NMS to add the MAC address of the mobile phone. The MAC address is viewed in [Settings] - [About This Mac];

2) If the router is faulty, try to restart the router.

3. The mobile phone is connected to wifi and prompts that it has been saved but cannot be connected.

Symptom: The Wi-Fi connection prompt on the mobile phone has been saved, but the connection fails.

Here's how to fix it:

1) This prompt indicates that the encryption method, password or signal channel of the router of the wifi signal has been modified. It is recommended to reset the password and encryption type of the router, and the terminal connected to this network needs to [Ignore this network], and re-enter the password to connect.

2) If the router is faulty, try to restart the router.

If you enter an incorrect wireless password and you can't connect, you can connect by entering the correct password.

If the MAC address of the device is blocked and the device cannot be connected, the MAC address of the device is deleted from the route blacklist.

If the connection cannot be connected due to a system failure, restore the factory settings or upgrade the system to repair the fault.

If the hardware failure causes the connection to be invisible, go to the after-sales service or specialty store for inspection and repair.

iPhone can't connect to wifi after upgrading? You can do that!

If the problem cannot be solved by restarting, you can open [Settings] - [Wi-Fi] and click this icon after the connected network; Select Ignore this network, then reconnect to the network to see if you can surf the Internet.

iPhone can't connect to wifi after upgrading? You can do that!

iPhone can't connect to wifi after upgrading? You can do that!

If none of the above methods can solve the problem, you can go to [Settings] - [General], pull to the bottom, click [Restore], select [Reset Network Settings], confirm the reset, and reconnect to the WiFi after the iPhone restarts.

Delete the wifi and re-enter the password. Whenever possible, go to places with strong wifi signal to connect to wifi. Reset Network Settings:

1> Turn on your iPhone, see the main interface, select "Settings; 2> Scroll down in the settings interface and find the "General" option; 3> In the general options settings, select "Restore; 4> an entry appears that can be restored, select "Reset Network Settings; 5> At this time, a confirmation prompt will appear, confirm and click "Reset network settings; After 6>, the iPhone will automatically restart, and after the reboot is completed, the network settings will be cleared and the WiFi network will be reconnected.

1.Turn on your iPhone. 2.

Go to Settings ——— General - Reset ——— Reset Network Settings. 3.Turn your phone's airplane mode on.

4.Then restart your wireless router. 5After restarting the wireless router, turn off the airplane mode, connect to your network again, and you're done.