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Did you delete it with root?
Re-flash the ROM with flashing software!
You can try it with a flashing machine.
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1.It is recommended to remove the back cover and battery and try to restart, if it can enter normally, it is recommended to back up the body data and try to restore factory settings;
2.If the above operations cannot be improved, it is caused by abnormal system files or data loss on the motherboard of the device, and you need to flash and detect the device. Due to the risk of flashing the machine and may lead to non-insurance, it is not recommended to deal with it by yourself, and take the time to go to the maintenance station to be assisted by the engineer to test and deal with it.
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IDEA Forum.
Think Forum.
Lenovo Community.
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Press F8 to fix it with the original disc!
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Me too, A378T, have you got it?
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Dear Lenovo mobile phone users, hello!
According to the description, if the exception is caused by the deletion of the relevant system program or file. This situation cannot be solved by restoring the factory settings of the phone, and you need to reflash the phone to restore the use of the system.
Due to the risks associated with flashing the system yourself, we recommend that you take the time to go to your local Lenovo after-sales service center and have an engineer help restore the system to use. You can log in to the official website to check the address.
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What software did you use to uninstall it? Does that software have backups?
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Hello. According to your description, it may be due to the loss of system files caused by the loss of system files caused by your mistake, which can usually only be recovered by flashing.
Due to the risk of self-flashing, the failure of flashing may affect the normal warranty of your equipment, so 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.
You are welcome to contact us or visit Lenovo at any time
Consult to find out.
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Hello. According to your description, it may be due to the loss of system files caused by the loss of system files caused by the mistakenly deleted program that came with the phone, which can usually only be recovered by flashing.
Due to the risk of flashing the machine by yourself, the failure of flashing the machine may affect the normal warranty of your equipment, so 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.
You can visit Antaka.
Find the nearest site. The business hours of the maintenance site are usually from Monday to Sunday 9:00-18:00, except holidays, the local sites will be slightly adjusted according to their own operations.
You are welcome to contact us or visit Lenovo at any time
Consult to find out.
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Dear Lenovo users, Hello.
According to your description, it is recommended that you take your phone to Lenovo's mobile phone service center for testing and repair;
IDEA Forum.
Think Forum.
Lenovo Community.
Hello. Sorry, because you did not provide specific information about Lenovo A380T, we cannot directly help you here, and we apologize for the inconvenience caused. It is recommended that you accurately describe the problem that Lenovo A380T needs to consult, directly supplement the information of the problem or re-consult on the home page, so that we can better serve you, thank you! >>>More
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I'm sorry, but if it's an abnormal problem that occurs after the device is rooted, it usually can't be repaired directly, and you need to flash it. >>>More
Hello, sorry for the inconvenience.
If your device does not turn on, it is recommended that you reinsert the battery to restart it, if you have other batteries, it is recommended that you replace them. It is recommended that you use the standard charger to charge for about 30 minutes, and then press and hold the power button again. >>>More
The T450S cannot adjust the brightness as follows:
1. Reinstall the system win7 64-bit flagship version, after installing the latest drivers of all official websites such as power management, graphics card, motherboard and hotkey, the sound volume adjustment hotkey can be used, but the brightness can not be adjusted; >>>More