OnePlus 15
By Muhammad Tahir · Updated July 2026 · how we review
A 7,300mAh battery monster with security updates promised into late 2031 — one of the cheapest flagships per month of safe ownership you can buy in 2026.
Is the 15 still supported?
Official promiseSupported until November 2031 · Buy-by November 2029
✓ Yes — the 15 is supported until November 2031, roughly 5.2 more years.
OnePlus promises 6 years of updates for this phone, so it's supported until November 2031 — buying it today still gets you about 5.2 years of safe use (verified July 2026).
Source: OnePlus's official policy · last verified 2026-07-03 · how we compute this · what happens when support ends
TrueCost
Street price ÷ months of safe use remaining. How we compute it.
1% cheaper than the $600–900 median ($13.76/mo, dying phones excluded)
Should you buy the 15 in 2026?
Pros
- Official 4 OS upgrades + 6 years of security patches; buying at mid-2026 still leaves roughly 5.4 years of support, about $13 per supported month at street price
- 7,300mAh silicon-carbon battery — the biggest in any US-market flagship — with genuinely fast 120W wired and 50W wireless charging
- Snapdragon 8 Elite Gen 5 with a 165Hz LTPO display makes it the raw-performance leader of the late-2025 class
- IP68/IP69K rating and aluminum frame give it real physical durability to match the long software window
Cons
- Camera system dropped Hasselblad tuning and the 1440p panel of the OnePlus 13 — resolution fell to 1.5K and photo processing took a step back versus its predecessor
- 120W charging requires OnePlus's own SUPERVOOC brick; on generic USB-PD chargers it caps around 36W
- US launch was bumpy (tariff/logistics delays at release), and OnePlus's US trade-in and support experience still trails Samsung and Google
Full specifications
Display
| Screen | 6.78-inch LTPO AMOLED, 2772x1272, 165Hz, 1800 nits peak |
|---|
Performance
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 |
|---|---|
| RAM | 12GB / 16GB |
| Storage | 256GB / 512GB / 1TB |
Cameras
| main | 50MP |
|---|---|
| periscope 3.5x | 50MP |
| ultra-wide | 50MP |
| front | 32MP |
Battery & charging
| Battery | 7,300 mAh |
|---|---|
| Charging | 120W wired, 50W wireless |
Build
| Dimensions | 161.4 × 76.7 × 8.1 mm |
|---|---|
| Weight | 211 g |
| Materials | glass front (Gorilla Glass Victus 2), aluminum frame, glass back |
| Water resistance | IP68/IP69K |
Software & connectivity
| Software | Android 16 with OxygenOS 16 at launch |
|---|---|
| Connectivity | 5G, Wi-Fi 7, Bluetooth 6.0, USB-C, NFC |
| Update policy | 4 OS upgrades · 6 years of security updates (official promise) |
Better-value alternatives
Similar price, lower cost per month of safe ownership.
Frequently asked questions
How long will the OnePlus 15 be supported?
OnePlus promises 4 major Android OS updates and 6 years of security patches for the OnePlus 15, which puts end of support at roughly November 2031. If you buy in mid-2026, that still leaves about 5 years and 4 months of safe ownership — around $13 per supported month at the current $849 street price.
Is the OnePlus 15 better than the OnePlus 13?
It is faster (Snapdragon 8 Elite Gen 5 vs 8 Elite), has a much bigger 7,300mAh battery vs 6,000mAh, and a 165Hz display. But the OnePlus 13 had a sharper 1440p panel and Hasselblad-tuned cameras that many reviewers still prefer. Buy the 15 for battery and longevity; the discounted 13 remains the better pure camera phone.
Does the US OnePlus 15 have the same battery as the Chinese version?
Yes — unlike some earlier OnePlus generations, the global/US OnePlus 15 keeps the full 7,300mAh silicon-carbon cell of the Chinese model. The difference is software: global units run OxygenOS 16 while Chinese units ship with ColorOS 16.
What does the OnePlus 15 cost in mid-2026?
It launched in the US at $899 (12GB/256GB) on November 13, 2025. At mid-2026 it typically sells around $849 with frequent $50-plus discounts and aggressive trade-in credit from OnePlus and Amazon, roughly 8 months into its 6-year support window.
Compare it
Specs are collected from manufacturer documentation; prices reflect major US retailers and change often. Support end dates follow each brand's official policy (or, for Apple, its documented historical pattern). Last verified 2026-07-03.