A399 Lenovo mobile phone can t be flashed, why can t it install things

Due to the risk of flashing the machine by itself, the failure of flashing may affect the warranty status of the device, so the official recommendation can go to the local maintenance site for flashing.

If the software cannot be installed, it is recommended to refer to:

Make sure that the unknown ** option of the device is checked, and then go to Settings - Storage to check whether the storage space is sufficient, if it is insufficient, you need to uninstall the old app to free up space; After the above check, it is recommended to restart the mobile phone to try, if the restart is invalid, check whether the software installation package is complete or defective, it is recommended to do it in a stable WiFi environment, or change the complete installation package of other application markets to reinstall the attempt; If the above suggestions are invalid, it is recommended to back up the data for factory reset, and back up some important files stored in the fuselage, such as text messages, contacts, software, etc., before the recovery operation, so as to avoid unnecessary losses; If the problem persists, it is recommended to contact the nearest site for further testing. If it is a single software that cannot be installed, you can ** other versions, check the memory situation or change other application markets to try, if these are excluded, it may be caused by the incompatibility of the software itself.

2. In the process of upgrading the firmware package**, try to minimize the operation of the mobile phone to avoid the upgrade failure caused by the incomplete firmware upgrade package**, and in addition, you need to free up enough space for the upgrade;

3. If you use an external memory card and default it, you can switch the default storage location in the settings --- storage, switch it to the internal memory card, and then upgrade it;

4. If the above operations are invalid, it is recommended to back up the data for factory reset operation and then upgrade again, excluding whether it is caused by system abnormality, if it still cannot be improved, go to the Lenovo maintenance site in time for detection, and it can be solved by flashing the upgrade;

5. It is recommended to recall whether the device has been rooted or modified system file operation, if similar operations have been carried out, it may affect the ** upgrade function, it is recommended to go to the maintenance station to upgrade by flashing the machine to solve the problem.

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

You are welcome to contact us or visit Lenovo at any time

Consult to find out.

Hello. Lenovo A388T mobile phone does not support OTA** upgrade, its system update in the system settings, provided that you need to have the corresponding firmware package on your SD card, and then go to the main menu - system settings - about the phone - system software update (SD card needs to have an update package), please understand.

For the A388T device's Silver Chain Firmware Package, you can go to.

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

Consult to find out.

2. In addition, the system update in the system settings, the premise is that the SD card of the mobile phone needs to have the corresponding firmware package, and then go to the main menu - system settings - about the phone - system software update (the SD card needs to have an update package).

3. For the firmware package based on the A388T device, it can be destroyed to go to the Lenovo Lewen bar platform for **, and then place it in the SD card of the mobile phone, and then upgrade the operation;

4. If you can't complete it by yourself, you can go to the after-sales site for processing.

If you really don't have it, don't update it, otherwise the phone is easy to damage.

Here are some things you can try:

1. Click Settings - Application - All - Find the software - Clear Data, clear the software data and then open it.

3. If all the software is slow to open or has problems opening, you can back up and empty the cache and user data in recovery. Method: In the shutdown state, first press and hold the "Volume Up Button" and then the "Power Button", and let go when the boot screen appears to enter recovery.

Select Chinese Simplified >> Clear Data >> Clear Cache + Clear User Data. Tips: The touch screen is temporarily invalid in the recovery state, use the "Power button" to confirm, and the "Volume button" to select.

4. If there are problems with the corresponding programs after the above methods, and other software programs are normal, you can judge that the program is not compatible with the system, and you can try to change other versions of the program or game.

5. It is recommended to try to back up and re-flash the system version.

There are many reasons for flashing failure, and here are a few common ones:

1. The most common is to unplug the mobile phone data cable prematurely. When flashing the computer with a computer, many people will pull out the data cable in a hurry, and this will lead to serious consequences. In addition, poor contact of the data cable can also lead to this consequence.

When flashing, you must be calm, and ensure that you are connected, do not pull out the data cable at will, and generally wait until the computer prompts you to complete the unplugging.

2. The wrong firmware has been written. Generally, the firmware of different models cannot be flashed with each other, and licensed goods and parallel goods cannot be flashed with each other. In addition, the configuration of mobile phones in different regions is also different, and the firmware is different.

When flashing, be sure to select the firmware for flashing according to the model of the phone and the original sales region.

3. The lack of battery of the mobile phone will also cause the flashing process to be interrupted and the flashing process will fail.

The solution to bricking.

1. Generally, you can try to use a variety of the same and different flashing software to flash the firmware again.

2. Sometimes there will be a phenomenon of fake bricks, you can try the grid machine.

3. Don't panic when you really can't solve it. Most mobile phone repair shops can provide professional flashing tools for flashing services, and the fee is generally only tens of yuan, which can solve the problem of bricking. It's also okay when the phone is still in warranty.

Try to send it to customer service to brush, but it can't be said to be caused by flashing, otherwise it will be regarded as a human failure. If you can't brush it for free, then it's better to send it to the repair shop, the customer service charge is very expensive, and the repair shop does not have a big gap in technology, as long as you are careful to see that the battery has not been adjusted.

1.It is recommended to restart the phone to try, if it can enter normally, it is recommended to back up the body data for a factory reset attempt (ps: remember to back up the data before operation to avoid personal data loss);

2.It is recommended to use the standard charger to charge for about 30 minutes, and then press and hold the power button again.

3.If the above operations cannot be improved, it is recommended to go to the Lenovo maintenance site in time to flash the upgrade and further detect the hardware, which cannot be ruled out due to abnormal system files or abnormal hardware.

ps: There is a risk in flashing the machine by yourself, if the failure leads to the failure of the device, it may affect the normal warranty service of the product, if you want to save the bricks yourself, and are willing to take the possible risks, you can go to the Lenovo official Lewen bar firmware area**Official firmware and detailed tutorial, according to the flashing tutorial to try to operate.

Hello. Very hugging that brings inconvenience to your use.

If you have the phenomenon that the program cannot be used after flashing, then it is not excluded that you make a mistake in the flashing process or cause the system to be abnormal after flashing the third-party firmware package, at this time, it is recommended that you re-flash the operation to restore the normal use of your device, please understand.

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.