Difference between revisions of "Fastboot"

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Fastboot is a protocol that can be used to re-flash partitions on your device (update the flash file system in your devices). It is this small tool that comes with the Android SDK (Software Developer Kit), which is an alternative to the Recovery Mode for doing installations and updates. It first comes with Android. Google have submit the fastboot code to mainline U-boot. So we can use this protocol to flash partition on your device. There are three way to enter fastboot mode
 
Fastboot is a protocol that can be used to re-flash partitions on your device (update the flash file system in your devices). It is this small tool that comes with the Android SDK (Software Developer Kit), which is an alternative to the Recovery Mode for doing installations and updates. It first comes with Android. Google have submit the fastboot code to mainline U-boot. So we can use this protocol to flash partition on your device. There are three way to enter fastboot mode
  
 +
 
  
 +
 
  
 +
 
  
 +
 
  
 
= Fastboot command =
 
= Fastboot command =
  
 
Rockchip use 0x2207 as its USB vendor ID. This VID is not in Google's original fastboot code. So every fastboot command have to use "-i" parameter to specify vid to fastboot.<br/> To list all the Rockchip devices attached to your USB port in fastboot mode.
 
Rockchip use 0x2207 as its USB vendor ID. This VID is not in Google's original fastboot code. So every fastboot command have to use "-i" parameter to specify vid to fastboot.<br/> To list all the Rockchip devices attached to your USB port in fastboot mode.
−
<pre><code>$ sudo fastboot -i 0x2207 devices
+
<pre>$ sudo fastboot -i 0x2207 devices
−
0123456789AB fastboot</code>
+
0123456789AB fastboot
 
</pre>
 
</pre>
  
 
To flash loader
 
To flash loader
−
<pre><code>$ sudo fastboot -i 0x2207 flash loader "path to your loader"</code>
+
<pre>$ sudo fastboot -i 0x2207 flash loader "path to your loader"
 
</pre>
 
</pre>
  
−
To flash Android boot image
+
To flash android boot image
−
<pre><code>$ sudo fastboot -i 0x2207 flash boot_a "path to your boot image"
+
<pre>$ sudo fastboot -i 0x2207 flash boot_a "path to your boot image"
−
0123456789AB fastboot</code>
+
0123456789AB fastboot
 
</pre>
 
</pre>
  
−
To flash Android system image
+
To flash android system image
−
<pre><code>$ sudo fastboot -i 0x2207 flash system_a "path to your system image"
+
<pre>$ sudo fastboot -i 0x2207 flash system_a "path to your system image"
−
0123456789AB fastboot</code></pre>
+
0123456789AB fastboot</pre>
  
−
To Get Version:
+
To get version:
 
<pre>fastboot getvar version</pre>
 
<pre>fastboot getvar version</pre>
  
−
To Get Version:
+
To get version:
 
<pre>fastboot getvar version-bootloader
 
<pre>fastboot getvar version-bootloader
 
</pre>
 
</pre>
  
−
To Get Unlocked:
+
To get unlocked:
 
<pre>fastboot getvar unlocked  
 
<pre>fastboot getvar unlocked  
 
</pre>
 
</pre>
  
−
To Get Locked:
+
To get&nbsp;locked:
 
<pre>fastboot getvar secure</pre>
 
<pre>fastboot getvar secure</pre>
  
−
To Get Product Information:
+
To get product information:
 
<pre>fastboot getvar product</pre>
 
<pre>fastboot getvar product</pre>
  
−
To Get Serialno:
+
To get serialno:
 
<pre>fastboot getvar serialno</pre>
 
<pre>fastboot getvar serialno</pre>
  
−
To Get Partition Type:
+
To get partition type:
 
<pre>fastboot getvar partition-type:<partition_name>
 
<pre>fastboot getvar partition-type:<partition_name>
 
</pre>
 
</pre>
  
−
To Get Partition Size:
+
To get partition size:
 
<pre>fastboot getvar partition-size:<partition_name>
 
<pre>fastboot getvar partition-size:<partition_name>
 
</pre>
 
</pre>
  
−
To Get Partition Offset:
+
To get partition offset:
 
<pre>fastboot getvar partition-offset:<partition_name>
 
<pre>fastboot getvar partition-offset:<partition_name>
 
</pre>
 
</pre>
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&nbsp;
 
&nbsp;
  
 +
== Download the Image ==
  
−
 
+
To flash&nbsp;image:
−
=== ===Download the Image=== ===
 
−
 
 
−
To Flash&nbsp;Image
 
 
<pre>fastboot flash <partition_name> <filename>
 
<pre>fastboot flash <partition_name> <filename>
 
</pre>
 
</pre>
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&nbsp;(For example：fastboot flash system system.img）
 
&nbsp;(For example：fastboot flash system system.img）
  
−
When download the parameter or loader，you need assign the partition name as "parameter" or "loader"
+
When download the parameter or loader，you need assign the partition name as "<var>parameter</var>" or "<var>loader</var>"
  
−
To Update Firmware
+
To update firmware:
 
<pre>fastboot update <filename>  
 
<pre>fastboot update <filename>  
 
</pre>
 
</pre>
  
−
（The firmware package was generated from &nbsp;android source code which is “make updatepackage”）
+
（The firmware package was generated from &nbsp;android source code <var>make updatepackage</var>）
 +
 
 +
&nbsp;
  
 
== Reboot ==
 
== Reboot ==
  
−
重启进recovery
+
&nbsp;To recovery:
 
<pre>fastboot oem recovery </pre>
 
<pre>fastboot oem recovery </pre>
  
−
重启恢复出厂设置
+
&nbsp;To recovery and restore:
 
<pre>fastboot oem recovery:wipe_data</pre>
 
<pre>fastboot oem recovery:wipe_data</pre>
  
−
Reboot
+
To Reboot:
 
<pre>fastboot reboot</pre>
 
<pre>fastboot reboot</pre>
  
−
重启进入rockusb烧写模式
+
To reboot and enter into rockusb loader mode
 
<pre>fastboot reboot-bootloader</pre>
 
<pre>fastboot reboot-bootloader</pre>
−
<pre>fastboot continue  
+
 
−
</pre>
+
To continue:
 +
<pre>fastboot continue </pre>
 +
 
 +
&nbsp;
  
 
=== Lock and Unlock the Device ===
 
=== Lock and Unlock the Device ===
  
−
To unlock
+
To unlock:
 
<pre>fastboot oem unlock</pre>
 
<pre>fastboot oem unlock</pre>
  
−
To &nbsp;确认解锁（需要在fastboot oem unlock命令后，5秒内输入）
+
To &nbsp;confirm unlock（input &nbsp;it in 5 minutes after typing <var>fastboot oem unlock command</var>）:
 
<pre>fastboot oem unlock_accep</pre>
 
<pre>fastboot oem unlock_accep</pre>
  
−
锁住设备
+
To lock the device:
 
<pre>fastboot oem lock
 
<pre>fastboot oem lock
 
</pre>
 
</pre>
 +
 +
&nbsp;
  
 
=== Special Command ===
 
=== Special Command ===
 +
 +
To boot from specifc firmware templately:
 
<pre>fastboot boot <kernel> [ <ramdisk> ]</pre>
 
<pre>fastboot boot <kernel> [ <ramdisk> ]</pre>
  
−
临时从指定固件启动
+
（Kernel supports Image/zImage，and you should&nbsp;keep <var>dtb</var> in the last part of kernel，or <var>resource partition</var>）
  
−
（kernel目前支持Image/zImage，需要将dtb存于kernel末尾，或者resource分区中）
+
To generate a&nbsp;log file:
−
<pre>fastboot oem log</pre>
+
<pre>fastboot oem log </pre>
  
−
获取串口log信息
+
To execute u-Boot command:
 
<pre>fastboot oem ucmd <UBOOT cmds></pre>
 
<pre>fastboot oem ucmd <UBOOT cmds></pre>
  
−
运行UBOOT命令
+
&nbsp;
  
−
== Fastboot Unlock ==
+
&nbsp;
  
−
fastboot锁住状态下，不允许烧写及执行oem命令，初始状态为锁住。
+
&nbsp;
  
−
解锁流程大致如下：
+
&nbsp;
  
−
1、执行fastboot oem unlock
+
== Unlock your Device via Fastboot ==
  
−
2、5秒内继续执行fastboot oem unlock_accept
+
Initially,it is not allow you perform flash or&nbsp;oem command with locked fastboot.
  
−
3、机器会重启进入recovery恢复出厂设置
+
'''To relock'''：
  
−
4、再次进入fastboot，则fastboot getvar unlocked应该返回"yes"（设备已解锁）
+
1、Executing <var>fastboot oem unlock</var>
 +
 
 +
2、Then executing&nbsp;<var>fastboot oem unlock_accept in 5 seconds,</var>
 +
 
 +
3、You device will reboot and recovery
 +
 
 +
4、Now push&nbsp;your device into fastboot mode again and <var>fastboot getvar unlocked will return to&nbsp;</var>"yes"
 +
 
 +
（Congraduations you have unlock your device finished!）
 +
 
 +
What if the device have entered into fastboot mode with indicates that <var>NOT found your device</var>, you need put '''<var>-i&nbsp;</var>'''into your command in order to assign device ID.
 +
 
 +
For example：fastboot -i 0x2207 getvar unlocked
  
 
&nbsp;
 
&nbsp;
−
 
−
如果设备进入fastboot状态后，fastboot命令提示未发现设备，则需要在命令中加入-i参数指定设备vid，例如fastboot -i 0x2207 getvar unlocked
 

Latest revision as of 11:20, 16 March 2017

Introduction

Fastboot is a protocol that can be used to re-flash partitions on your device (update the flash file system in your devices). It is this small tool that comes with the Android SDK (Software Developer Kit), which is an alternative to the Recovery Mode for doing installations and updates. It first comes with Android. Google have submit the fastboot code to mainline U-boot. So we can use this protocol to flash partition on your device. There are three way to enter fastboot mode

 

 

 

 

Fastboot command

Rockchip use 0x2207 as its USB vendor ID. This VID is not in Google's original fastboot code. So every fastboot command have to use "-i" parameter to specify vid to fastboot.
To list all the Rockchip devices attached to your USB port in fastboot mode. 

$ sudo fastboot -i 0x2207 devices
0123456789AB fastboot

To flash loader 

$ sudo fastboot -i 0x2207 flash loader "path to your loader"

To flash android boot image 

$ sudo fastboot -i 0x2207 flash boot_a "path to your boot image"
0123456789AB fastboot

To flash android system image 

$ sudo fastboot -i 0x2207 flash system_a "path to your system image"
0123456789AB fastboot

To get version: 

fastboot getvar version

To get version: 

fastboot getvar version-bootloader

To get unlocked: 

fastboot getvar unlocked

To get locked: 

fastboot getvar secure

To get product information: 

fastboot getvar product

To get serialno: 

fastboot getvar serialno

To get partition type: 

fastboot getvar partition-type:<partition_name>

To get partition size: 

fastboot getvar partition-size:<partition_name>

To get partition offset: 

fastboot getvar partition-offset:<partition_name>

 

Download the Image

To flash image: 

fastboot flash <partition_name> <filename>

 (For example：fastboot flash system system.img）

When download the parameter or loader，you need assign the partition name as "parameter" or "loader"

To update firmware: 

fastboot update <filename>

（The firmware package was generated from  android source code make updatepackage）

 

Reboot

 To recovery: 

fastboot oem recovery

 To recovery and restore: 

fastboot oem recovery:wipe_data

To Reboot: 

fastboot reboot

To reboot and enter into rockusb loader mode 

fastboot reboot-bootloader

To continue: 

fastboot continue

 

Lock and Unlock the Device

To unlock: 

fastboot oem unlock

To  confirm unlock（input  it in 5 minutes after typing fastboot oem unlock command）: 

fastboot oem unlock_accep

To lock the device: 

fastboot oem lock

 

Special Command

To boot from specifc firmware templately: 

fastboot boot <kernel> [ <ramdisk> ]

（Kernel supports Image/zImage，and you should keep dtb in the last part of kernel，or resource partition）

To generate a log file: 

fastboot oem log

To execute u-Boot command: 

fastboot oem ucmd <UBOOT cmds>

 

 

 

 

Unlock your Device via Fastboot

Initially,it is not allow you perform flash or oem command with locked fastboot.

To relock：

1、Executing fastboot oem unlock

2、Then executing fastboot oem unlock_accept in 5 seconds,

3、You device will reboot and recovery

4、Now push your device into fastboot mode again and fastboot getvar unlocked will return to "yes"

（Congraduations you have unlock your device finished!）

What if the device have entered into fastboot mode with indicates that NOT found your device, you need put -i into your command in order to assign device ID.

For example：fastboot -i 0x2207 getvar unlocked

 

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