android系统升级方法如下:
工具:华为mate40pro、EMUI11.0.170。
1、先要下载Android2.3.4的升级数据包。
![](https://iknow-pic.cdn.bcebos.com/2cf5e0fe9925bc31b09da80e4cdf8db1ca137060?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、将下载的数据文件放入到内部存储空间的根目录下。
![](https://iknow-pic.cdn.bcebos.com/cefc1e178a82b9011f6d6aa5618da9773812ef60?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、安卓系统升级到此就需重新启动系统了,在重启后需要连续按下音量增大和电源按键的方法来进入到Bootloader。
![](https://iknow-pic.cdn.bcebos.com/dbb44aed2e738bd4d0e11ba7b38b87d6267ff960?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、使用音量按键来选中“recovery”,再按下电源按键进行确认。
![](https://iknow-pic.cdn.bcebos.com/cc11728b4710b912d2025f68d1fdfc0393452260?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、当在屏幕上看到三角形以后,需要按下电源按键然后再按下音量增大按键,这个时候就能够看到一个选项列表了,选择第一步中下载文件进行更新即可。
![](https://iknow-pic.cdn.bcebos.com/b999a9014c086e066c6896dd10087bf40bd1cb60?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)