Overview
The device entered low power mode because the battery was very low. This setting remains active even after a full recharge.

While in this mode, the following issues may occur:
- Transactions may decline
 - Batch settlements may fail
 - Connectivity may be intermittent
 - Processing requests may respond slowly
 
Steps
- Swipe down from the top of the screen twice.
 - Swipe right to left to view the second page of quick access icons.
 - Tap the Battery icon (top left) and confirm that Smart Saving Mode is selected.
 

- Tap More Settings.
 - Scroll down and tap App Battery Settings > More Settings.
 - Tap Power Supply Work Mode.
 - Select Mobile Mode.
 - The device will restart automatically.
 
Outcome
Once restarted, confirm the red lines have disappeared and retry processing a payment.