三星J327T J327T1 MetroPCS版软件问题导致只有G网无LTE/4G修复教程
拨号界面 输入 *#2263#
选择 1 Band Selection
选择 7 LTE/GSM
选择 1 LTE_GSM
...
Flashtool刷机提示ERROR - Device connected in flash mode but driver is too old解决办法
Flashtool刷机提示ERROR - Device connected in flash mode but driver is too old...
iTunes下载的固件存放的文件夹
Windows10系统：
C:\Users\Administrator\AppData\Roaming\Apple Computer\iTunes\...
