Lenovo P770 flashing tutorial? How does Lenovo P770 enter Recovery?

Hello, flashing is risky, and it is not recommended that you do it yourself. It is recommended that you go to the nearest Lenovo mobile phone customer service center, and the engineer will help you do the system upgrade work. Lenovo mobile phone service outlets query.

Unfortunately, there is a certain risk in flashing the device by yourself, and the failure to flash the device will affect the normal warranty of your device. Therefore, we do not recommend that you flash the machine by yourself, you can choose to go to the local after-sales site to let the engineer assist in processing.

Of course, if you are willing to bear the risk of flashing, I personally recommend that you refer to the following link for you to read and weigh in detail before flashing, if you can't complete the processing by yourself, please refer to our advice to take the time to go to the repair station to deal with it. Lenovo authorized after-sales site inquiry.

P770 does not have a built-in recovery mode at the factory, you need to flash it by yourself, please understand. Since flashing recovery involves root, it is risky, and it is not recommended that you do it here. If you need to enter engineering mode, you can press and hold the volume up and power button at the same time to turn on the power to enter the power mode.

Ways to enter recovery mode:

1.**Recovery program. Search for the Internet and ** "Recovery" program, which provides the ability to backup and restore phone programs. **Put the program into your phone's memory card when you're done.

2.Turn off completely, press and hold the volume down + power button to power on, and enter recovery mode;

3.After entering the recovery mode, select the third item, and then enter the select yes to clear the data;

4.After clearing the data, select the fourth item to clear the system cache data option, and select yes to clear it after entering;

5.After clearing the data, then select the fifth item to install the zip upgrade package on the heavy SD card, and select the ROM firmware after entering;

6.After selecting the firmware, select yes to flash the phone;

7.After the flashing is complete, go back to the main menu and select the Reboot System Now option to reboot the phone to complete the flash.

8.When everything is ready, click Start to start flashing recovery.

9.After swiping, the original white area of factoryfs will display the word "pass" in green, which means that the phone has been successfully flashed.

Good, good, good, good, good, good, good, good, good, good.

Since the network supported by the mobile phone is determined by the hardware, it is not possible to crack the software or upgrade the software system to make the mobile phone support the network of other operators.

It is recommended to solve it with the following method:

1. Clear data and restore factory settings.

1. Press and hold the volume down button + power on button at the same time in the shutdown state.

2. The boot interface appears, release it, and enter the recovery flashing tool for a while.

3. Through the volume up and down, select wipe data, OK (the volume button is selected up and down, and the power button is OK), the option appears, and yes is selected.

4. Click Wipe Cache after returning to the menu automatically until it automatically returns to the main menu.

5. Select reboot and reboot.

If it is a Chinese menu. It's the same with choosing to perform data purging and emptying the cache, respectively.

2. If the above methods can't solve the problem, try to fix it with the brick saving tool of the flash tool.

1. The computer installs the line and opens it.

2. Turn on the power of the mobile phone and connect it to the computer.

Hello. The firmware package has a detailed tutorial built-in, please be careful!

The business hours of the maintenance site are usually from 9:00 to 18:00 from Monday to Sunday, and the stations will be slightly adjusted according to their own operations.

If you have other questions in the follow-up use process, you are welcome to contact us at any time or visit Lenovo Lewen (for consultation.