手机进入Recovery模式一般都需要root后才能进入,并且会有较大的数据风险,可能会导致手机上的个人资料、通讯录、应用丢失因此不建议您进行此操作,如果您确有相关需求也要首先备份个人数据,另由于不同机型操作方法不同,您可以尝试关机状态下按:“音量下键+HOME键+电源键”或“音量上键+音量下键+电源键"或“音量下键+电源键”。
联想A788T手机如何设置2G、3G或4G网络模式可参考以下操作:
在【待机界面】点击【系统设置】,
![](https://iknow-pic.cdn.bcebos.com/ac6eddc451da81cb8ed8a1325966d01609243116?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
点击【移动网络】
![](https://iknow-pic.cdn.bcebos.com/1f178a82b9014a9015f66542a2773912b21bee01?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
点击【网络模式】
![](https://iknow-pic.cdn.bcebos.com/7acb0a46f21fbe09484be1eb60600c338744ad33?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
在弹出网络模式界面内可点击选择【4G/3G/2G(4G优先)】或【3G/2G】,
![](https://iknow-pic.cdn.bcebos.com/622762d0f703918fad8c1e355a3d269758eec4eb?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)