Xiaomi Redmi 9T: release date, history of creation and what you need to know about the 2021 model

Xiaomi Redmi 9T has become one of the most popular budget models of the brand, combining performance, long battery life and an affordable price. But when exactly this device appeared on the shelves? If you are planning to buy a used device or just interested in the history of the Redmi line, the release date is a key point for assessing the relevance of the model.

In this article, we will not only give you the exact release date of the Redmi 9T, but also explain how the model fit into Xiaomi’s strategy for 2021, how it differed from its predecessors, and why it still remains in demand.

Redmi 9T came out not just as another budget, but as a response to the growing demand for smartphones with capacious batteries and NFC — a feature that at the time was rare in the segment up to 15 000 rubles.

The official release date of Xiaomi Redmi 9T

Xiaomi Redmi 9T was announced on January 8, 2021 in the global market, it was one of the first new products of the company in the new year, designed to strengthen the position of the brand in the budget segment, sales of the model began almost immediately after the presentation – at the end of January 2021, the smartphone appeared in official Xiaomi stores and partners.

Interestingly, in some regions (like India), the device came out under a different name, the Redmi 9 Power, which was the same device, but with little variation in firmware and configuration, a practice typical of Xiaomi, which adapted the models to local markets.

In Russia, the Redmi 9T went on sale in February 2021.The price at the launch was about 12,990 rubles for a version with 4 GB of RAM and 64 GB of memory, making it one of the most affordable smartphones with NFC at the time.

How the Redmi 9T fit into Xiaomi’s lineup in 2021

2021 was a period of active expansion of the Redmi line for Xiaomi. the company released several models with the index “9”: Redmi 9, Redmi 9A, Redmi 9C, Redmi 9T and Redmi Note 9.

• 📱 Redmi 9A/9C — The cheapest and easiest options without NFC and with minimal characteristics.
• 🔋 Redmi 9T — «The middle ground with an emphasis on a capacious battery and NFC.
• 📸 Redmi Note 9 is a more advanced model with better camera and performance.

The Redmi 9T has taken the niche of a budget flagship, a device that offered maximum features for minimal money.

• 🔋 Battery 6000 mAh – a record for the budget segment.
• 📶 Support NFC (That was rare on phones up to 15,000 ₽).
• 🖥️ Display. 6.53" permittingly FHD+ (2340×1080).
• 🚀 Qualcomm Snapdragon 662 processor is more powerful than competitors.

Xiaomi’s strategy was simple: to offer users a smartphone that lasts 2-3 days without recharging and does not cost as a flagship. It worked — Redmi 9T became one of the best-selling devices of the brand in 2021.

Redmi 9T: What makes it so special

Let's see why the Redmi 9T was so popular, and the table below shows the key characteristics of the model compared to the closest competitors of the time:

As you can see from the table, the Redmi 9T was favorably distinguished by having NFC (which allowed the phone to be used for contactless payments) and a lower price at comparable performance. In addition, the Snapdragon 662 processor was optimized for gaming and multitasking better than the Helio G85 from competitors.

Another plus is the four cameras on the back:

• 📷 Main: 48 MP (with night mode support).
• 🌃 Wide-angle: 8 MP (120)°).
• 🔍 Macro: 2 MP.
• 🎭 Depth sensor: 2 MP.

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If you are buying a used Redmi 9T, be sure to check the battery status through the Settings menu → Battery condition. Capacity below 80% of the original (4800 mAh) indicates severe wear.

How to check the production date of Redmi 9T IMEI

If you buy a Redmi 9T handheld, it’s important to make sure you’re not looking at a fake or a skewered-mileage phone.One way to do this is to check the production date with IMEI (Unique Device Identifier).

And this is how you do it.

1. Dial on the phone keyboard *#06# and IMEI will appear on the screen.
2. Go to IMEI.info and enter the code.
3. The results of the inspection will indicate the date of production (month and year).

For the Redmi 9T, the production date should not be until December 2020 (since release began in January 2021).If the site shows an earlier date, you either have a fake or a phone from a grey batch.

Also, look for the serial number, which can be found on the box or in settings (Settings → About Phone → General Information). For the original devices, it starts with the letters M2010J19SG (global version) or M2010J19SI (Indian version, aka Redmi 9 Power).

Redmi 9T is different from Redmi 9 and Redmi Note 9

Many people confuse the Redmi 9T with other models of the series.

The main conclusions:

• 🔋 Redmi 9T It had the most powerful battery among the three models.
• 📡 Only 9T And the Note 9 was supported. NFC.
• 🎮 According to the performance of Snapdragon 662 in 9T weaker than Helio G85 Note 9, but more stable in everyday tasks.

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If you want a smartphone with maximum life, the Redmi 9T is the best choice among the three models. If you want a camera or gaming performance, you should take a look at the Redmi Note 9.

The Relevance of Redmi 9T in 2026: Should You Buy?

It's been more than three years since the Redmi 9T was released, but it's still in the secondary market. Is it worth buying today? It depends on your goals.

Pros of buying in 2026:

• 💰 The price of used devices fell to 5 000-8 000 rubles (depending on the condition).
• 🔋 The battery 6000 mAh even with wear will last longer than many new state employees.
• 📶 NFC Allows you to use your phone for payment (relevant to SberPay, Google Pay).

Cons and risks:

• ⚠️ Android 10 on board (updates to the MIUI 12.5 - the latest supported version).
• ⚠️ Snapdragon 662 processor is weakly pulling modern games (Genshin Impact, Call of Duty Mobile).
• ⚠️ No official support 5G (But in 2021, that was the norm for public sector workers).

Battery (capacity not lower than 70% of the original)|Possibility of work NFC (check the payment)|Screen state (no broken pixels)|Cameras (all four modules must work)|IMEI (It is the same as the box and is not blocked)-->

Who will the Redmi 9T be for today?

• 👵 Older people – due to long work and a simple interface.
• 🎒 Students and students as a second phone for calls and social networks.
• 💼 Those who need a spare smartphone with NFC pay.

⚠️ Note: If the seller claims that the Redmi 9T You can upgrade to Android 13 or later, which is a hoax — MIUI 12.5 based on Android 10.

Redmi 9T Problems and How to Avoid Them

Like any budget device, the Redmi 9T had a number of childhood illnesses, and here are the most common problems and ways to prevent them:

The most critical problem is battery bloating, and if the phone's case becomes convex or there are gaps between the screen and the frame, replace the battery immediately. It's dangerous to use a bloated battery!

⚠️ Note: If one of the cameras (most often macro or depth sensor) stops working after a fall, the repair will cost almost half the cost of the phone.

FAQ: Frequent questions about Xiaomi Redmi 9T