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edited Oct 13, 2022 at 14:12

Preferred Network Mode not changing using ADB on Samsung S21 (Android 12)

I am trying to change the preferred network of android using ADB on Samsung S21 (Android 12) through the following commands:

adb shell settings put global preferred_network_mode 9
adb shell settings put global preferred_network_mode1 9
adb shell stop ril-daemon
adb shell start ril-daemon
adb shell settings put global airplane_mode_on 1
adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state true
adb shell sleep 5;
adb shell settings put global airplane_mode_on 0
adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state false

adb reboot

But it's not updating in the phone. The phone is still in WCDMA only mode.

Preferred Network Mode not changing using ADB on Samsung S21

I am trying to change the preferred network of android using ADB on Samsung S21 through the following commands:

adb shell settings put global preferred_network_mode 9
adb shell settings put global preferred_network_mode1 9
adb shell stop ril-daemon
adb shell start ril-daemon
adb shell settings put global airplane_mode_on 1
adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state true
adb shell sleep 5;
adb shell settings put global airplane_mode_on 0
adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state false

adb reboot

But it's not updating in the phone. The phone is still in WCDMA only mode.

Preferred Network Mode not changing using ADB on Samsung S21 (Android 12)

I am trying to change the preferred network of android using ADB on Samsung S21 (Android 12) through the following commands:

adb shell settings put global preferred_network_mode 9
adb shell settings put global preferred_network_mode1 9
adb shell stop ril-daemon
adb shell start ril-daemon
adb shell settings put global airplane_mode_on 1
adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state true
adb shell sleep 5;
adb shell settings put global airplane_mode_on 0
adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state false

adb reboot

But it's not updating in the phone. The phone is still in WCDMA only mode.

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asked Oct 13, 2022 at 6:42

rox

Preferred Network Mode not changing using ADB on Samsung S21

I am trying to change the preferred network of android using ADB on Samsung S21 through the following commands:

adb shell settings put global preferred_network_mode 9
adb shell settings put global preferred_network_mode1 9
adb shell stop ril-daemon
adb shell start ril-daemon
adb shell settings put global airplane_mode_on 1
adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state true
adb shell sleep 5;
adb shell settings put global airplane_mode_on 0
adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state false

adb reboot

But it's not updating in the phone. The phone is still in WCDMA only mode.

adb