Why is My StandBy Mode Red iOS 17/18 & How to Fix

When your StandBy mode turns to red, why does this issue occur and how to fix? Find solution in this passage and you can use the professional FoneTool mentioned in bonus part to avoid your iPhone data from loss.

By @Kathy Last Updated September 26, 2024

Standby mode on the iPhone is a new and popular lock screen feature introduced in iOS 17 and later. It activates when the iPhone is charging and placed in landscape orientation, displaying the time along with widgets such as featured photos and reminders. Occasionally, the Standby mode may appear red on your iPhone. What causes this red display in iOS 17/18? Here are the explanations!

Why is my StandBy mode red iOS 17/18?

In short, Standby Mode appears with a red tint in low ambient light. When Night Mode is activated, the Standby display turns red in dim lighting or when the iPhone is in night mode. While Night Mode is typically enabled by default, you can switch to normal colors if preferred. Additionally, the red tint may signal that your device is in Low Power Mode or that there’s a battery performance alert. 

How to solve Standby mode stuck in red on iOS 17/18

For people who wander to know: " How do I stop StandBy mode from turning red?" You can keep on reading to get answers. Go to the Settings app on iPhone > Choose StandBy. On the next page, under Display, you can see Night Mode. Toggle it off.

How to fix when StandBy mode won't turn on

If StandBy mode doesn’t activate automatically when you connect your iPhone to a power source, ensure it’s positioned on its side (horizontally or in landscape orientation) and at an upright angle (not lying flat on a desk).

If it still doesn’t turn on, check that StandBy mode is enabled in the Settings app (Settings > StandBy Mode). If the toggle next to StandBy is gray (OFF), tap it to switch it to green (ON), then try charging your iPhone again in the correct orientation.

Bonus: How to protect iPhone data from loss

When you need to back up your iPhone, it’s recommended to use the professional iPhone data backup software - FoneTool. You can selectively or fully back up and transfer your iPhone data to iPhone, iPad, PC, or even an external drive.

With its super-fast transfer speed and easy-to-use interface, you can easily back up GBs of data to PC within minutes.

Download Freeware Win 11/10/8.1/8/7/XP
Secure Download

Step 1. Connect your iPhone to the PC with a USB cables > If prompts, click Trust.

Step 2. Open FoneTool on your computer > Go to Phone Backup > Full Back > Click Get Started to continue.

Step 3. Check Enable Backup Encryption to encrypt your private data if need > Choose a storage path > Click Start Backup to begin the task. (You can change the storage path to move backups to external drive.)

Once the process is finished, you can go to My Backups page to view, locate, delete or restore your backups to any iOS device, even if it doesn't use the same Apple ID with your source device.

Conclusion

From this page, you can know why is your StandBy mode red on iOS 17/18 and how to fix. You can follow guidance above to solve the problem easily. If you need to back up iPhone data to avoid sudden data loss, just use the professional FoneTool mentioned in bonus part to make it efficiently.