| ID | Description | Resolution | |----|-------------|-------------| | INC-4392 | Random "SIM card removed" error after deep sleep | Baseband power domain reset logic corrected | | INC-4851 | Battery drain (8%/hour idle) on Wi-Fi calling | Wi-Fi firmware beacon filter patched |
Ensure your battery is charged to at least 70-80% . Firmware Change Update on SAMSUNG Galaxy A12