Update life depends on the exact model and release date; there is no single number for all iPhones, Android phones or brands.
What “updates” can mean
- Major operating-system upgrades.
- Security patches.
- Google Play system updates on Android.
- Carrier or modem configuration.
- Emergency fixes after regular support has ended.
Check the manufacturer, not a retailer headline
Google states that Pixel 8 and later phones receive seven years of updates from the date the model first became available in the US Google Store. Samsung publishes model-specific security information. Apple shows which devices support the current iOS release rather than promising one universal fixed period for every iPhone.
Calculate remaining life
- Identify the exact model number.
- Find its original release date.
- Read the current official support commitment or compatibility list.
- Check the actual installed security-patch date.
- Compare the remaining period with the planned ownership.
Buying a used model
- Subtract the model’s age from the published support period.
- Check the installed security patch, not only the Android or iOS version.
- Confirm whether the policy covers major upgrades, security fixes or both.
- Check that banking and work apps still support the device.
A model sold new by a retailer may already be several years into its support life. Late availability does not restart the manufacturer’s update clock.
How to verify this in everyday use
Use the manufacturer's commitment for the exact model and count from its original release, not the purchase date. Separate operating-system upgrades from security fixes and check whether the promise is a minimum, a current policy or a published end date.
- Save the official support page for the model.
- Check the installed security-patch date.
- Plan replacement before critical apps stop supporting the OS.
Official sources
- Google — Pixel software update periods
- Samsung UK — update a Galaxy phone or tablet
- Apple — update an iPhone or iPad
Facts checked: 26 July 2026. Policies can differ by model, market and update type. Recheck the official model page before buying or recommending a used phone.



