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MobileIQ

Should I upgrade my Galaxy S25 Ultra?

The Samsung Galaxy S25 Ultra went on sale on 3 February 2025, launched at £1,249 (Samsung Newsroom UK — Galaxy S25 series). It has a 6.9-inch display, a weight of 218 g, the Snapdragon 8 Elite for Galaxy chip, a 200 MP main camera and 256 GB of storage to start. Samsung claims up to 31 hours of video playback. Security updates are committed until 31 January 2032. Every figure in the Samsung Galaxy S25 Ultra specifications below links the page it came from and the date it was read.

Is it still supported?

Yes. Samsung has committed to security updates for the Galaxy S25 Ultra until 2032-01-31. A phone that is still patched is not a phone you have to replace.Samsung UK spec API — Galaxy S25 Ultra, retrieved 2026-09-22

What the Galaxy Z Flip7 changes

This line has nothing newer on this site; the newest Samsung phone within a year of it is the Galaxy Z Flip7 at £1,049, released 25 July 2025. Judged row by row against our published thresholds; the full table is at Galaxy Z Flip7 vs Galaxy S25 Ultra.

On the makers’ figures and the named third-party sources, the Galaxy Z Flip7 wins on weight (188 g against 218 g); the Galaxy S25 Ultra wins on 3DMark Wild Life Extreme (5,827 against 4,373, both from 3DMark). 3 gaps are borderline, differences most people would not notice: battery capacity (5,000 mAh against 4,300 mAh) for the Galaxy S25 Ultra, battery per charge (44.9 h against 42.07 h) for the Galaxy S25 Ultra and fast charging (45 W against 25 W) for the Galaxy S25 Ultra. Both state the same display size, refresh rate, peak brightness, storage (base), RAM, claimed video playback, battery lifespan and wireless charging. The other 34 rows have no threshold or no direction to judge by, so nobody wins them.

Other makers at the price

Phones from other makers released within a year of the Galaxy Z Flip7 and priced within a quarter of its £1,049, nearest price first, each judged the same way against your Galaxy S25 Ultra.

What yours is worth

CeX pays, grade A
£444 cash / £479 voucherCeX, read 2026-10-04
CeX sells, grade A
£705CeX, read 2026-10-04
eBay UK asking, median
£598eBay UK, 45 listings, read 2026-10-04

Our reading of the figures

The Galaxy S25 Ultra is committed to security updates until 31 January 2032, so nothing forces a move yet.

The Galaxy Z Flip7 clears our noticeable threshold on one row: weight. 3 more gaps are borderline, which most people would not notice. You would give up 3DMark Wild Life Extreme.

At £1,049 new, less the £444 CeX was paying for a grade A Galaxy S25 Ultra on 2026-09-11, the move costs about £605.

Every sentence above is built from the figures on this page by a rule, not written for this phone: a support date, the rows that clear a published threshold, a price and a trade-in. There is no score and no recommendation. The methodology page has the thresholds and where they come from. Every phone’s version of this page is listed at All upgrade questions.