In reality, customizing the color of update notifications on iPhone is quite simple, and many people want to alter the colors. BlurryBadges can accomplish this task. The prerequisite to use BlurryBadges is that you need to have successfully jailbroken your iPhone.
GUIDE TO CHANGE THE COLOR OF UPDATE NOTIFICATIONS ON IPHONE
1. Find and download the BlurryBadges tweak
On Cydia, search for 'BlurryBadges' and select Install - Setting to proceed with installing the BlurryBadges app on your iPhone. After installing BlurryBadges, restart your device and move on to step 2.
Find and download the BlurryBadges tweak
2. Activate BlurryBadges tweak
In your device's Settings, locate the BlurryBadges app and select Enable BlurryBadges to activate it.
3. Utilize BlurryBadges
With BlurryBadges, you can customize notification sizes and modify their colors in the Border Color section.
Notifications have been transformed into various colors...
https://Mytour.vn/tweak-blurrybadges-change-color-update-notifications-iphone-3791n.aspx
Thus, Mytour.vn has guided you on how to change the color of iOS app update notifications using BlurryBadges on Cydia; additionally, users can alter iPhone message colors with the Convos tweak. Best of luck with your successful implementation!