How many watts is the compressor ca9440y?

1, please back up your information, such as contacts, text messages, etc. Before you brush back to the official 4. 1.2.

2. Double erasure will also clear the system data. Please pay attention.

1. First, we need to load the USB driver of Samsung I9250.

2. Install the driver.

3. Turn on the USB debugging of the mobile phone. Specific methods, enter the settings-find the developer options-open the developer options-and then open the USB debugging.

4. At this time, the mobile phone is turned off, and at the same time, press the volume up and down button+power button to enter the fast boot mode.

5. At this time, we connect the mobile phone to the computer, turn on I9250, and brush back to the official 4. 1.2 tool with one click.

Note: Before we operate, we must make sure that you have loaded the USB driver correctly, otherwise there will be some unexpected errors and even the mobile phone will turn bricks. We must pay attention to this.

6. Open with one key and brush in the official 4. 1.2 tool. The first screen is as follows:

7. At this time, according to the prompt, we will start to brush into the bootloader, please confirm, and then we will press any key to continue:

8. After the brush-in is successful, you will be prompted: bootloader brush-in is successful, and the baseband begins to brush-in. Please confirm. At this point, we will continue to press any key:

9. After the baseband is successfully swiped, the system image will be swiped. Please confirm and continue to press any key:

10. It may take a few minutes to brush the system image. After the system mirror swipes the card successfully, it will prompt: the system swipes the card successfully, click any key to exit, then restart the phone, and then press any key to start the brushing program.

At this point, the Samsung I9250 is all over when it is brushed back to the official 4. 1.2.