My phone want update

• If you have an iPhone 5S or 6/6plus, the highest you can update to is 12.5.5

• If you have an iPhone 6S through 11, you can update to 14.8.1 or 15.1

• If you have an iPhone 12 or 13 you can update to 15.1.1

Go to Settings > General > Software Update.

Update your iPhone, iPad, or iPod touch -

https://support.apple.com/en-us/HT204204

traveon97 Said:

"My phone want update: I really need help my battery acting up and phone want update"

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Please Clarify: How exactly is the battery acting up? Is it draining? If so, refer to the following...

Troubleshooting iPhone Power Drain:

View the Battery Health:

When the Battery Health is 80% or lower, it is time for a new battery.

1. Go To: Settings
2. Tap: Battery
3. Tap: Battery Health
4. View: Percentage.
5. Is it 80% or less?

Troubleshooting the Battery:

• iPhone Battery and Performance - Apple Support

• Charge and Monitor the iPhone Battery - Apple Support

• About the Battery Usage on your iPhone - Apple Support

• About Optimized Battery Charging on your iPhone - Apple Support

• If you see "Your iPhone Battery may Need to be Serviced" - Apple Support

• Use Low Power Mode to Save Battery Life on your iPhone - Apple Support

traveon97 Said:

"My phone want update: I really need help my battery acting up and phone want update"

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Determining if an Update will Install:

How to do so...

A. Verify Compatibility:

Confirm the model of your iPhone. If iPhone model is incompatible with iOS13 and/or iOS14  and/or iOS15, then it is because you iPhone does not meet the hardware requirements for this iOS version(s).

B. If Compatible...

1. Back Up First:

IMPORTANT: If you have an option to update, however, then be certain you backup your iPhone first. That way, you will have something to restore your iPhone from should anything go wrong with the update

then...

2. Proceed with the Update:

Go Here:  Update your iPhone Using a Computer - User Tip