Differences

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--- doc:appunti:hardware:xiaomi_mi_a1 [2019/11/08 18:16] – [Backup] niccolo
+++ doc:appunti:hardware:xiaomi_mi_a1 [2019/11/09 06:54] – [Fastboot Mode] niccolo
@@ Line 161: / Line 161: @@
 ===== Fastboot Mode =====
-Once in Recovery Menu, you can boot into the **Fastboot Mode** using the menu entry //Reboot to bootloader//. Otherwise you can execute the **adb** command on a PC when the phone is booted normally and connected via the USB cable (it is required to enable //USB debugging// on the phone and to authorize the PC on the phone pop-up, once connected):
+In Android, **fastboot** is a special diagnostic protocol that you can boot your Android device into. While in fastboot, you can modify the file system images from a computer over a USB connection.
-<code>
+You can start fastboot mode in severl ways:
-adb reboot bootloader
-</code>
+  * Power off the phone, then press **VolumeDown + Power** buttons together, untill vibration.
+  * Executing the **adb reboot bootloader** command on a PC when the phone is booted normally and connected via the USB cable. It is required to enable //USB debugging// on the phone and to authorize the PC on the phone pop-up, once connected.
+  * From the **stock Recovery** menu, choosing the entry **Reboot to bootloader**.
+  * From the **TWRP Recovery**, choosing **Reboot** menu, then **Bootloader**.
+The Xiaomi Mi A1 will show the following image when in fastboot mode:
 {{.:android:mi-a1-fastboot-log.jpg?direct&200|Mi-A1 Fastboot Logo}}
+To control the fastboot mode of the phone, you have to install the **fastboot** command on your PC. On a Debian GNU/Linux install the **fastboot 8.1.0** package. **NOTICE**: Version 7.0.0 is not reccomended, e.g. the command ''fastboot set_active b'' does not work on the Mi A1.
+Here are some commands that can be used in fastboot mode:
 <code>
-adb devices
+fastboot help
-List of devices attached
+fastboot devices
-d99913    device
+fastboot boot recovery-3.2.1-2-oreo.img
+fastboot flash boot_b boot_b.img
+fastboot oem unlock
+fastboot set_active b
+fastboot reboot
 </code>