How to fix your Samsung Galaxy S7 that went dead and would no longer boot up [Troubleshooting Guide]
Solved: A50 unresponsive display circle and lightning bolt - Samsung Community
New screen icon - Android Forums at AndroidCentral.com
Solved: Status bar, Notifications tab on home screen vanished, battery life and percentage, wifi, signal strength, message symbols. - Samsung Community
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Grey circle with lightning bolt (no battery icon) Please help!!! : r/AndroidQuestions
List Of All Indicator Icons In Samsung Galaxy S7 - Pcnexus
Samsung Galaxy S7 Flashing Battery When Charging Issue & Other Related Problems