Xiaomi Redmi 15C 5G
By Muhammad Tahir · Updated July 2026 · how we review
One of the cheapest current 5G phones that also carries a genuinely long support window — four Android upgrades and security patches into 2031, which almost nothing else at this price offers.
Is the Redmi 15C 5G still supported?
Official promiseSupported until September 2031 · Buy-by September 2029
✓ Yes — the Redmi 15C 5G is supported until September 2031, roughly 5.0 more years.
Xiaomi promises 6 years of updates for this phone, so it's supported until September 2031 — buying it today still gets you about 5.0 years of safe use (verified July 2026).
Source: source · last verified 2026-07-20 · how we compute this · what happens when support ends
TrueCost
Street price ÷ months of safe use remaining. How we compute it.
64% cheaper than the under-$300 median ($6.50/mo, dying phones excluded)
Should you buy the Redmi 15C 5G in 2026?
Pros
- Four Android upgrades and six years of security patches, running to September 2031
- Dimensity 6300 delivers real 5G at an entry price
- 6000mAh battery with 33W charging and 10W reverse output
- Keeps the 3.5mm jack, microSD slot and NFC
Cons
- 720p-class HD+ panel looks soft stretched over 6.9 inches
- Wi-Fi 5 and an LCD screen show where the cost was cut
- 211g body is heavy for an entry phone
Full specifications
Display
| Screen | 6.9-inch IPS LCD, HD+ (720 x 1600), 120Hz, 810 nits peak |
|---|
Performance
| Chipset | MediaTek Dimensity 6300 (6nm) |
|---|---|
| RAM | 4GB / 6GB / 8GB |
| Storage | 128GB / 256GB |
Cameras
| main | 50MP — f/1.8, PDAF |
|---|---|
| front | 8MP — f/2.0 |
Battery & charging
| Battery | 6,000 mAh |
|---|---|
| Charging | 33W wired, 10W reverse wired |
Build
| Dimensions | 173.2 × 81.1 × 8.2 mm |
|---|---|
| Weight | 211 g |
| Materials | Plastic frame and back; side-mounted fingerprint sensor, 3.5mm jack |
| Water resistance | IP64 |
Software & connectivity
| Software | Android 15 with HyperOS 2 at launch |
|---|---|
| Connectivity | 5G (SA/NSA), Wi-Fi 5, Bluetooth 5.4, NFC, USB-C, 3.5mm jack, microSD |
| 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
Is the Redmi 15C 5G still supported?
Yes, with years to spare. It arrived in September 2025 running Android 15 with HyperOS 2, and Xiaomi's commitment carries security patches to around September 2031. In 2026 it is barely a fifth of the way through its window.
How long will the Redmi 15C 5G get updates?
Xiaomi commits to four major Android upgrades, taking it to roughly Android 19, plus six years of security patches ending around September 2031. That is double the OS support the Redmi 14C received, and notably longer than the plain Redmi 15, which was revised down to two upgrades and four years of patches.
Is the Redmi 15C 5G worth buying in 2026?
For a first 5G phone on a tight budget, yes. Around $140 spread across a support window that runs to 2031 gives it one of the lowest costs per month of safe use we track. The trade-offs are the HD+ screen and modest performance, so it suits light users rather than gamers.
What is the difference between the Redmi 15C 5G and the Redmi 15C 4G?
The 5G model swaps the Helio G81 Ultra for a MediaTek Dimensity 6300 and adds 5G bands, launching a few weeks later in September 2025. Screen, 6000mAh battery and 33W charging are otherwise near-identical, and both share the same long update commitment.
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 2026-07-20.