Install app via usb: The device is temporarily restricted

Solution 1:

"Install via USB" wont work if your Xiaomi phone is running MIUI 8 or above. Looks like when you try to Enable this option, your phone trys to connect to some chinese server and fails.

I got a work around and it worked for me. Idea is to connect to Chinese-Shanghai server through VPN. Try the following:

1. Install PlexVPN from Playstore and login into it. You will get a 24 hr free VPN service.
2. Select China-Shanghai server and connect.
3. From developer option in your Xiaomi phone, Enable "Install via USB".
4. You can then disconnect the VPN and logout from PlexVPN.

Enjoy!!

Solution 2:

All you have to do is Turn your Wi-Fi off, turn on mobile data, and then enable the setting for "Install via USB". It'll go through.

Source: http://en.miui.com/thread-544718-1-1.html

Solution 3:

For me on a rooted MIUI v.8.5.1 I just need to:

• turn off wifi
• turn on mobile connection In development options

after doing that both Install via USB and USB debugging started to work.

Solution 4:

Turning off Wi-Fi and enabling Mobile Data (thank you Xiaomi for wasting my money to enabling mobile data which the last one I didn't have) on Xiaomi 4A did not work for me. Every time I tried to enable Install App Via USB it displayed me "the device is temporarily restricted". So, I found this solution:

Turn on VPN onto your device with these parameters and try again toggle Install from USB:

• Server Address: China server from https://www.vpngate.net/en/
• IPSec Key: vpn
• Username: vpn
• Password: vpn

Solution 5:

Try this

1. Settings -> Additional Settings -> Developer options -> Turn off Miui Optimizations -> Restart
2. Security -> Permissions -> Gear Icon at top right corner -> Turn On "Install via USB"
3. Settings -> Additional Settings -> Developer options -> Turn On/Off "USB Debugging" -> Turn On "Install vis USB"