How to flash the phone and the reasons why the flashing failed

If the flashing package upgrade fails, we recommend that:

2. The mobile phone did not perform a double clearing operation before flashing, resulting in the failure of some cache data in the system not to be cleared, it is recommended to double clear before flashing;

3. If the system failure of the mobile phone, or the operation of cracking the original system, etc., resulting in the failure of the system upgrade, it is recommended to re-flash the phone.

If none of the above methods can be successfully upgraded, it is recommended to back up the important information of the mobile phone first, and bring the mobile phone, invoice and warranty card to the local OPPO customer service center for testing and processing.

Reason for failure. If the card swipe fails, it may be that the version of the swipe is lower than the existing version of the mobile phone, and most brands do not support card swiping downgrade.

If the wire brush fails: whether the ROM matches, if it does not match, find the matching model ROM, if the ROM package matches, it may be the cause.

1. Whether the book is in the right flashing mode For example, MTK Fastboot Qualcomm flashing mode is not the same.

MTK is generally powered off and pressed the volume up or volume down button to plug in the cable.

fastboot is generally the volume down button + power on button.

Qualcomm is generally the volume up middle + volume down key.

3. If the driver is correct, the port may be unstable, please try to change the port.

Also, not operating the computer during the flashing process may also lead to failure.

It's best to try to go online to solve your flashing problem, I hope it will help you.

It is recommended not to use the flashing software casually.

Guess the shot state) will flash the ROM from the corresponding mobile phone on the Internet**,And then copy it to the root directory of the SD card,ROM is in ZIP format (you can open and verify it,There must be meta-inf in the zip package,Suiyuan but don't change the files in the zip package),Don't unzip.。 After the copy is complete, you can disconnect the phone and the computer.

Shut down the computer completely (it is best to pick the battery after shutting down), and then enter the recovery interface through the special button combination.

Select Wipe Data Factory Reset and press the power button to confirm, then press OK with yes. Then select Wipe Cache Partition and press OK, and select Yes to OK. (This is the legendary double WIPE, friends who know about flashing must have heard of it).

Select the fifth option, install zip from sdcard, press the power button to confirm, then select choose zip from sdcard, press the power button to confirm, then select the rom to flash the file, press the power button to confirm, and then select yes and press the power button to confirm to start flashing.

After brushing, that is, the interface after the progress bar is finished, return to the main interface of recovery. At this time, select Reboot System Now and press the power button to restart the phone. The first reboot takes a long time, so be patient! That's the end of flashing.

Solution: 1. Press and hold the power button to turn off the computer, clear the cache and data under recovey, and then try to turn it on.

1. First of all, you need to try to press the power button.

2. If you don't let go for the next 20 seconds, the phone system will force you to enter the restart program.

3. Next, you can see that the screen is displayed and then let go.

4. Finally, press the volume button of the mobile phone up button + power + home button, and you can.

2. If it is still useless to try to erase the data, you can only go to the mobile phone after-sales service center and find after-sales service personnel to deal with it.

If the phone does not turn on after the upgrade process, you should go to the service center to flash back the previous version through the flashtool tool, and you can resume the normal operation of the system.