To change the time on your CITYCALL I8550, follow these steps:
Open the Settings app on your CITYCALL I8550. This app is typically represented by a gear icon.
Scroll down and tap on the "Date & Time" or "System" option. This option may be located in a different place depending on your phone's model and operating system.
Toggle the "Automatic date & time" or "Automatic time zone" setting to the off position. This will allow you to manually set the time on your CITYCALL I8550.
Tap on the "Set date" or "Set time" option to change the date or time, respectively. Use the on-screen controls to set the date or time to the correct value.
When you are finished setting the date and time, tap on the "Done" or "Save" button to apply the changes.
It's important to note that the specific steps you need to follow may vary depending on your phone's model and operating system. If you are having trouble changing the time on your phone, you may want to consult the user manual or online resources for more detailed instructions.