Recovery mode:
Recovery mode refers to a mode (similar to windows PE or DOS) that can modify the data or system inside the Android machine. In this mode, you can flash into the new Android system, or backup or upgrade the existing system, or restore the factory settings here.
What is fastboot?
Fastboot, the English translation means fast boot. In Android phones, Fastboot is a lower-level flashing mode than Recovery. It is a flashing mode that connects the phone with a USB data cable. Compared with some systems (such as Xiaomi) card swipe, the wire swipe is more reliable and safer.
What caused the failure of flashing the phone?
One is that the driver is not installed correctly; the other is that the operation to enter the flashing mode is incorrect. The system must disable the driver signature, otherwise an exclamation mark will appear in the device manager.
Drive the port correctly.
Mobile platform: There are about six platforms and programs for flashing mobile phones on the market. The drive required for each scheme is different, and the operation to enter the flashing mode is also different. The mobile phone platform is related to the chip used by the mobile phone and the design of the mobile phone manufacturer.
1. MTK.
One of the biggest features of MTK's mobile phones is that when they enter the flashing mode and the flashing process, the mobile phone has a black screen throughout.
http://www.xianshuabao.com/guide/ShiPinJiaoCheng/3653.html
2. Qualcomm platform: mobile phones must use 64-bit systems
Qualcomm is one of them. In theory, mobile phones using Qualcomm chips can be flashed in Qualcomm mode. The most notable feature of Qualcomm mode is that when the phone is flashed, the device manager displays the port of Qualcomm 9008.
Black screen flashing mode Note that regardless of the flashing failure or success, you must re-enter the flashing mode
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mobile phones using Qualcomm chips, you can use Qualcomm's ports and solutions to flash the phone.
3. Samsung
Samsung chip mobile phone unique port and flashing program.
http://www.xianshuabao.com/guide/ShiPinJiaoCheng/3658.html
4, Marvel platform
enters the flashing mode is a black screen without any prompt
http://www.xianshuabao.com/guide/ShiPinJiaoCheng/3661.html
5. Coolpad V8 platform
Disconnecting the USB cable will automatically exit the flashing mode
http://www.xianshuabao.com/guide/ShiPinJiaoCheng/3660.html
6. fastboot.
The flashing solution widely used by Xiaomi, Huawei, etc.http
:
//www.xianshuabao.com/guide/ShiPinJiaoCheng/3659.htmlPower button and volume down button
What is the function of the
mobile phone engineering mode : The mobile phone engineering mode is a system-level security management software that can view some parameters of the phone. For example, the engineering mode of Samsung mobile phones can be used to check the display effect of the screen to see if there are dead pixels on the screen. Check whether the touch of the screen is sensitive and the response is normal.
Qualcomm line:
It is also known as the Xiaomi engineering line on the Internet (as shown in the figure below). Its function is to assist the mobile phone to enter Qualcomm mode, force Qualcomm's 9008 port to flash, and it can also ignore the mobile phone's BL lock!
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