Model: ZE620KL
RAM: 1G
Firmware/APP Version: Android 10
Frequency of Occurrence: Just this once
Rooted: No
APP Name: Signal sim card not available
Screenshot: https://us.v-cdn.net/6031231/uploads/ww_attachments/202001/26/210017t1nfsjq20nl113f5.jpg
My sim card signal not available on my phone (jaringan seluler), is this related to the firmware last update? please help me and answer my question immediately