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Anonymous users2024-02-07Hello. I'm sorry, Lenovo K900 models don't support direct downgrade operation, if you want to restore the system, you need to flash it.
Due to the risk of self-flashing and downgrading, the failure of flashing may affect the warranty of your device, we recommend that you choose to go to the local after-sales site for operation.
If you have strong hands-on ability, have experience in flashing, want to flash the machine by yourself, and are willing to take possible risks. Personally, I suggest that you can go to Lenovo's official Lewen Firmware Zone**The official firmware operation of your device.
The firmware package has a detailed tutorial built-in, please be careful!
If you really can't complete it by yourself, we recommend that you go to the Lenovo repair station to flash the machine for processing.
Inquire about authorized maintenance sites on the official website.
You are welcome to contact us or visit Lenovo at any time
Consult to find out.
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Anonymous users2024-02-06Go to Lenovo K900, there is a brush machine package to brush it. Beg.
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Anonymous users2024-02-05You are welcome to contact us at any time or visit Lenovo Lewen (for consultation.
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Anonymous users2024-02-043. All Lenovo K900 can be updated when a new version is released.
1.Start by opening the app list and then tap on System Settings;
2.Then click About Phone;
3.Finally click on System Update, and then it's time to update.
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Anonymous users2024-02-03Dear Lenovo users, hello!
Dear Lenovo users, hello!
I'm very sorry, but since we are mainly responsible for computer technical support, we don't have any information about mobile phones.
Depending on your situation, please move on:
Happy service: think forum:
Lenovo Community:
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Anonymous users2024-02-02Direct after-sales bar This model does not have wire brush information!
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Anonymous users2024-02-01Are you referring to restoring the software that came with your phone to the factory version after a factory reset? If it is a normal phenomenon, usually the built-in software of the mobile phone has been upgraded before the factory reset, then it will be restored to the pre-installed software version after the factory reset, please understand.
However, if you want to upgrade the built-in browser, super camera, file manager, etc., because these software are upgraded with the system upgrade, and cannot be upgraded through other channels, please understand.
If you have any other doubts during the subsequent use of the mobile phone, you can log in to the following platform to communicate with us:
1. Lenovo mobile phone tablet enterprise platform (
2. Lenovo asks (
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Anonymous users2024-01-31Go to Settings - About Phone - System Upgrade.
Lenovo K900 uses Intel Atom Z2580 dual-core four-thread 2GHz processor, with 2G RAM memory, 16G ROM storage space and Android operating system, and the performance is mainstream. In terms of screen, it adopts an inch 1920*1080 resolution and 16 million color IPS screen, with good display effect, and is equipped with a 13 million pixel camera, which can bring good photo effects and meet your daily application and entertainment use. >>>More
You can also see if the background running program is turned off when the phone is in standby, and the background running program is also consuming power. >>>More
Dear Lenovo mobile phone users, hello! Sorry for the inconvenience caused to the normal use of your mobile phone. If your phone frequently "goes black" for no reason, it is recommended that you try the power button to see if it can light up the screen. >>>More
1.If the memory of the mobile phone is occupied to a certain extent, the camera and taking pictures will not start normally, it is recommended to restart the mobile phone and observe the attempt; >>>More
Hello, I can't determine what causes this situation, it is recommended to restore the factory settings after backup, eliminate the problem of system software, if the problem is still not solved, it is recommended to flash the machine or send it to the after-sales service to test it. >>>More