After the Mi 1s is upgraded to V5, the mobile phone WLAN cannot be turned on

Please try it out according to the following two points:

1.Please back up your data first (by turning on System and Security Backup to create a new backup. Then, enter recovery (power off, press and hold the volume on + power button to enter recovery) mode, clear cache, clear user data, clear all data, restore backup, settings and third-party security software in the phone do not recover.

Try if it works properly.

b.During this time, please back up your data, enter recovery (power off, press and hold the volume up + power button to enter recovery) to clear the cache, clear user data, clear all data,. The computer is equipped with a driver,** Miflash flash tool,This is the link to install the driver:

Mi-1 1S series.

Mi-2 series.

c.When everything is ready, please follow the flashing tutorial on the official website to use the sixth type of line brush, which is the official flashing tutorial.

ROM problem in brushing individual rom handles.

It may be caused by the incomplete brushing system, it is recommended to do the following:

2. Copy the zip package to the downloaded rom folder of the built-in storage.

3. Open System Update, click the Menu button, and select the installation package upgrade. Once you're done, reboot into the new system.

Hello. Hello. The special edition will be unstable on individual machines, and it is recommended to re-brush it to solve it.

After rebooting, look for it in Settings W.

1 All Hi! You can set up your phone by following the steps below:

1.Click Settings --Wi-lan, select the arrow next to the name of the network you want to connect to, select Don't save the network, and re-enter the password.

2.Restart your phone and router.

3.Still doesn't work, I recommend you try other wifi networks to see if it works.

If it can be used normally in other WiFi router environments, then it may be caused by the current problem of this router itself.

Xiaomi phone flashing tutorial.

Please make sure that your phone can be connected to other Wi-Fi normally

If you can't connect, consider that there is a problem with the wifi chip;

If you can connect to other wifi normally

It's not a problem with the mobile phone, the free wifi of the drug bully suddenly can't connect, considering the problem of the free wifi itself, is the free lunch reliable? Ha ha.

Hi! Try it out three times.

It's best to open the backup software that comes with the phone to back it up before the three clearances, and it's easy to restore it.

Sanqing is to format the phone, which can solve most of the system problems, software flashbacks and other abnormalities, and Sanqing is also used to update the system before.

Clear the system data to ensure that the flashing can be carried out normally.

The method of entering the REC mode and clearing the three clears.

1. Open the system update software on your phone, menu key, and select to enter REC mode.

2. In the shutdown state, the simple fiber (deduct the battery by itself), press and hold the power button and the volume plus button together, and let go after lighting up the screen later.

Then go to a page, Chinese Simplified.

english

3, the power button is the OK key, the volume up and down keys select, there are three options on the page, press the power button to OK, select the simplified cover is Chinese.

4. Select Clear Data.

5. Select Clear Cache, and when the clearing is complete, select Clear Data again.

6. Select Clear User Data, and after the clearing is complete, select Clear Data again.

7. Select Erase All Data, and when the clearing is complete, select Restart the phone.

8. Select Enter the system with Recent.

9. After the phone is turned on, find it, back it up, turn it on, and restore all the data.