Phone does not start in recovery mode and fastboot mode

[ChandraKShow]

After upgrading to Android 11 my m31 does not start in recovery and fastboot mode..

[Ehsank]

now you need to connect with type c cable or type c earphone then do as you did earlier

[Ehsank]

Steps to perform.

1) Turn off the device.

(Connect with type C cable and connect withpc/laptop/type C earphone only for Android 11 )

2) Press and hold the Volume Up key and the spower button.
3) When the Android logo displays, release all keys.
4) Press the Volume down key to navigate and select "Wipe cache partition".
5) Press Power key to select. When the wipe cache partition is complete, Select Reboot System.
6) Press the Power key to restart the device.

[Sidhabhi]

It changed with Android 11, now you need to plug the USB-C / micro-USB cable along with the combination buttons (Press & Hold the Power and Volume Up button)

you can enter recover mode by doing this
connect ur device to pc by usbc cable
and make sure ur device is visible in computer as logged in
turn off ur device with the cable connected to pc
and now hold power up and switch on button together until the recovery menu pops up

[Samsung_Support1]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Please perform the below mentioned steps to go to android 11 recovery mode:

1. Connect USB cable to PC. 

2. Power off the device. 

3. Press VolumeUP + Bixby PowerKey Keys and hold them.

4. Connect the USB cable with device then, it'll enter recovery mode

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support