Heating issue on mangOH

root@swi-mdm9x15:~# cm radio
Power: OFF
Current Network Operator:
Status: Not registered and not currently searching for new operator (LE_MRC_REG_NONE)
Signal: No signal strength (0)

root@swi-mdm9x15:~# cm temp
Power Amplifier temperature: 34
Power Controller temperature: 38

root@swi-mdm9x15:~# cm temp
Power Amplifier temperature: 35
Power Controller temperature: 39

root@swi-mdm9x15:~# cm temp
Power Amplifier temperature: 36
Power Controller temperature: 40

root@swi-mdm9x15:~# cm temp
Power Amplifier temperature: 36
Power Controller temperature: 41

root@swi-mdm9x15:~# cm temp
Power Amplifier temperature: 37
Power Controller temperature: 42

root@swi-mdm9x15:~# cm temp
Power Amplifier temperature: 38
Power Controller temperature: 42

root@swi-mdm9x15:~# cm temp
Power Amplifier temperature: 39
Power Controller temperature: 43

root@swi-mdm9x15:~# cm temp
Power Amplifier temperature: 40
Power Controller temperature: 44

root@swi-mdm9x15:~# cm radio
Power: OFF
Current Network Operator:
Status: Not registered and not currently searching for new operator (LE_MRC_REG_NONE)
Signal: No signal strength (0)

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Its exponentially increasing

radio is off