PhoneLifespan

Xiaomi Mi 9

Avoid buyingValue Score 40/100
$110
Not officially sold in the US; launch price is a USD-equivalent of the EUR/CNY price. Now sold used only.
$445 at launch

How long will it last?

Our estimate

Supported until June 2022 · Buy-by June 2020

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2019◆ Buy-by Jun 20202022

Apple doesn't publish an end date, but iPhones have a consistent ~3-year update track record — on that basis the Mi 9 should be supported until around June 2022. Buying it today still gets you about -4.0 years of safe use (Apple's written legal minimum is 5 years).

Source: Xiaomi's official policy · last verified 2026-06-13 · how we compute this

Our verdict

A 2019 flagship-killer whose Snapdragon 855 still feels brisk, but software support ran out years ago.

Pros

  • Flagship Snapdragon 855 performance for a mid-range launch price
  • Bright AMOLED panel with in-display fingerprint reader
  • Wireless and 27W fast wired charging, rare at this price in 2019

Cons

  • Software support ended in 2022; no more security patches
  • Modest 3300mAh battery by today's standards
Best for: Bargain hunters wanting flagship silicon on the cheapBest for: Tinkerers comfortable running an unsupported OSAvoid if: You need current security updatesAvoid if: All-day battery life is a priority

Full specifications

Display

💡 Bigger numbers = smoother scrolling (Hz) and easier outdoor reading (nits).

Screen6.39-inch AMOLED, 2340x1080 (FHD+), 60Hz
Performance

💡 The phone's brain — it decides speed today and how well it ages.

ChipsetQualcomm Snapdragon 855
RAM6GB / 8GB
Storage64GB / 128GB
Cameras

💡 Megapixels aren't everything — lens variety matters more day-to-day.

main48MP
ultra-wide16MP
telephoto 2x12MP
front20MP
Battery & charging

💡 Capacity in mAh — bigger usually means longer between charges.

Battery3,300 mAh
Charging27W wired, 20W wireless
Build

💡 Size, weight, and the materials between your phone and the floor.

Dimensions157.5 × 74.7 × 7.6 mm
Weight173 g
MaterialsGorilla Glass 6 front and back, aluminum frame
Water resistancenone
Software & connectivity

💡 The software it ships with, and how far it can upgrade.

SoftwareAndroid 9 with MIUI 10 at launch
Connectivity4G LTE, Wi-Fi 5, Bluetooth 5.0, USB-C, NFC
Update policy~2 years of updates (our estimate from Xiaomi's track record — written minimum is 5 years)

Better-value alternatives

Similar price, lower cost per month of safe ownership.

Frequently asked questions

Does the Mi 9 still get software updates?

No. The Mi 9 stopped receiving OS and security updates around 2022, so it no longer gets patches.

Does the Mi 9 support wireless charging?

Yes, it supports 20W wireless charging plus 27W wired fast charging.

Was the Mi 9 sold in the US?

No, it was never officially sold in the US; units there are imported, and the launch price shown is a USD equivalent.

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 2026-06-13.