If you are experiencing glitches with the Hair Challenge app on your iPhone, here is a detailed step-by-step guide to help you resolve these issues:

1. Update the App:

- Ensure you are using the latest version of the Hair Challenge app. Go to the App Store and check for updates.
- Open the App Store, tap on your profile picture in the top right corner, scroll down, and look for available updates. If Hair Challenge is listed, tap "Update."

2. Restart Your Device:

- Power off your iPhone by holding down the side button and volume button until the sliders appear.
- Slide the "Power Off" slider to turn off your device.
- Once your device is completely off, press and hold the side button again until you see the Apple logo.

3. Clear App Data:

- Go to Settings > General > iPhone Storage.
- Scroll through the list to find the Hair Challenge app.
- Tap on it, and you will see the option to "Offload App." This action will clear the app's data but keep the app itself installed. Tap "Offload App," then reinstall it by tapping it again in the storage section.

4. Reinstall the App:

- If offloading does not fix the problem, delete the app entirely. Long press on the Hair Challenge app icon until it jiggles, then tap the "X” to delete it.
- Go back to the App Store and download it again.

5. Check Internet Connection:

- Make sure you have a stable internet connection. Go to Settings > Wi-Fi to verify your connection.
- You may switch to another Wi-Fi network or use cellular data to rule out connectivity issues.

6. Device Storage Check:

- Ensure your device has enough storage space available, as insufficient storage can lead to app performance issues. Go to Settings > General > iPhone Storage to check your space.

7. Contact Support:

- If the issues persist, consider reaching out for technical support. Visit the app's support page or check social media for potential updates from developers regarding known issues or fixes. The Hair Challenge app has a support section on the App Store that can be accessed here - [learn more].

By following these steps, you should be able to troubleshoot and potentially resolve the glitches in the Hair Challenge app effectively.