When Xiaomi Mi came out A3: history of release, features and relevance of the model in 2026

Smartphone Xiaomi Mi A3 It has become one of the most talked about models of 2019 thanks to a unique combination of Android One software platform and hardware solutions from Xiaomi, which appealed to those who appreciate “clean” Android without the shells of the manufacturer, but want to get powerful hardware at an affordable price. The release date of the model was a key event for fans of the brand and enthusiasts of stock Android.

In this article, we will not only answer the question of when Mi came out. A3", But we also understand why this particular model has taken a special place in the Xiaomi lineup, and you will learn about pre-release rumors, the official presentation, the specifications and how the smartphone is perceived by users years after its debut. We will pay special attention to comparison with other devices of the Mi A series and the relevance of the purchase in 2026.

Official release date of Xiaomi Mi A3

Xiaomi Mi A3 It was officially unveiled on July 17, 2019, at a special event in Madrid, Spain, and was a logical continuation of the Android One smartphone lineup launched with Mi. A1 (2017) and Mi A2 (It is interesting that the presentation was held as part of the global event Xiaomi Mi. CC9, This has highlighted the international focus of the model.

The first sales started on July 24, 2019, a week after the announcement, first in European countries and India, and then gradually entered other markets. In Russia, official shipments began in August 2019 through partner networks and online platforms. It is worth noting that the release date coincided with the peak of popularity of Android One programs, when Google actively promoted the initiative of “clean” Android for mid-budget devices.

• 📅 Announcement: July 17, 2019 (Madrid, Spain)
• 🛒 Start of sales: July 24, 2019 (Europe/India), August 2019 (Russia)
• 🌍 Markets: Global release with a focus on Europe and Asia
• 💰 Starting price: ~250€ version 4/64 GB

Interesting fact: Mi A3 It was the first Xiaomi smartphone with AMOLED-The technology was used only in flagships, which significantly influenced the perception of the model and made it more competitive compared to its predecessors on the market. IPS-matrix.

Pre-release rumors and leaks of information

A few months before the official announcement, the network actively discussed the characteristics of the future Mi A3. The most reliable leaks appeared in May-June 2019 year when the certification databases (for example, TENAA and FCC) Documents on the device with a code name were found laurel_sprout — That's what Mi was called. A3 In the internal documentation of Xiaomi.

Among the most high-profile rumors:

• 🔍 Triple camera: Leaks confirm 48MP core module (Sony) IMX586), What was revolutionary for the budget segment in 2019
• 🖥️ AMOLED-Insiders claimed that Xiaomi for the first time uses an organic matrix in the line of Android One
• 🔋 Battery 4030 mAh: This was 25% more than the Mi A2, That promised better autonomy.
• 🤖 Android 9 Pie Out of the Box: It was expected that the smartphone will receive two guaranteed versions of Android (up to the 11th)

One of the most controversial issues was the rumors about the absence of 3.5-This information has caused a lot of discussion in the community, because previous Mi models have been used. A1/A2 The official confirmation of this decision was one of the main disappointments for some users.

Technical characteristics of Xiaomi Mi A3

The smartphone received a balanced hardware platform that allowed it to compete with devices of the mid-range segment.

The night-mode camera, which has become one of the key selling arguments, deserves special attention thanks to Xiaomi’s processing algorithms and Sony’s sensor hardware. IMX586, Mi A3 He has shown impressive low-light shooting results for his price segment, such as in DxOMark tests (2019) model 94 score for photos - a result comparable to the flagships for 600-700€.

Another innovation for the lineup is the fingerprint scanner built into the display, and although the technology was already used in flagships (like the Mi 9), it was rare for the budget segment. ~0.3 seconds, which is 20% faster than competitors with physical scanners.

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If you are planning to buy a Mi A3 In 2026, pay attention to the version with 128 GB of memory – they are rarer, but allow you to comfortably use the smartphone without constantly cleaning the cache.

Comparison with predecessors: Mi A1 mi A2

The Mi A lineup has undergone significant changes over the past three years, so let's compare the key parameters of the models to understand the evolution of the series:

The main trends in the development of the line:

1. Performance: Gradual shift to more energy-efficient processors with improved graphics (Adreno 610 in Mi) A3 vs Adreno 506 in the Mi A1)
2. Screen: Diagonal increase and transition to AMOLED, despite the reduction of the permit to HD+ (What some experts have criticized)
3. Autonomy: A sharp jump in battery capacity in the Mi A3 (33% more than the Mi A2)
4. Cameras: Evolution from dual module to triple with a 48 MP main sensor

Interesting: Despite the improvement of the iron part, the A3 It has a less powerful processor than the Mi. A2 (The Snapdragon 665 vs 660 was a decision driven by a desire to improve energy efficiency, but was criticized by enthusiasts who expected more performance gains.

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Mi A3 It was the first in the lineup with support for fast charging 18W (against 10W The previous ones, although the adapter is still in the kit 10W — It had to be bought separately.

Software: Android One and Updates

The main advantage of the Mi A line is the Android One program, which guarantees:

• 🤖 Pure Android: No shell MIUI and pre-installed Xiaomi applications
• 🔄 2 major OS updates: Guaranteed upgrade to Android 11 (with Android 9 on board)
• 🛡️ 3 years of security: Monthly patches from Google
• 📅 Timely updates: No delays specific to MIUI

However, in practice, the users of the Mi A3 I have encountered several problems:

1. Android 10 Delays: Update Released Only in June 2020 – 9 Months After Release of New OS
2. Android 11 issues: Many users complained about camera bugs and performance after upgrade
3. Android 12 missing: Despite promises, official support ends on Android 11

It is worth noting the unique feature: Mi A3 It was the first (and only) Xiaomi smartphone that could officially unlock the bootloader without losing warranty, and it opened up the possibility of custom firmware installations that enthusiasts appreciated:

1. Enable "Debugging by USB" in Settings → About Phone → Assembly Number (stamp 7 times)


2. Connect the device to the PC and execute the command:




adb reboot bootloader




3.Use the official Mi Unlock Tool tool

Activate Wi-Fi (update file) ~1.5 GB)

Charge the battery to at least 50%

Create a backup copy in Settings → System system → Backup

Disable the antivirus (can block the installation)-->

Relevance of Xiaomi Mi A3 2026

5 years after the release of the Mi A3 It's still an interesting model for specific use cases, so let's see who should be looking at this smartphone today:

⚠️ Attention: In 2026, Mi A3 It does not officially support modern versions of Android (the latest is Android 11 from 2020), which means there are no official security updates and compatibility with new apps requiring Android 12.+.

Pros of buying in 2026:

• 💰 Price: In the secondary market, the model is 8000-12000₽ (against 25000₽ release)
• 📸 Camera: 48MP module still competitive in daytime
• 🔋 Autonomy: Battery 4030 mAh provides 1.5-2 day of work with moderate use
• 🛠️ Repairability: Easy to find spare parts and wizards to replace the screen/battery

Cons and limitations:

• ❌ No Android 12.+: Applications like banking or government services may require a new OS
• ❌ HD+ permission: 720p It looks a bit slim compared to modern Full. HD+ display
• ❌ Snapdragon 665: CPU is weak for modern games (eg Genshin Impact will not run)
• ❌ No. 5G: Limitation for future networks (although in 2026 it is not critical for the budget segment)

The best use cases today:

1. Second phone: For calls, instant messengers and simple tasks
2. Photo: Like a budget camera with a good night mode
3. Experiments: For custom firmware installation (LineageOS, Pixel Experience)
4. Nostalgia: For fans of pure Android without shells

Alternatives in the Secondary Market (2026):

• 📱 Redmi Note 8 Pro (best processor, but not the best) MIUI)
• 📱 Samsung Galaxy A50 (AMOLED Full HD, But the Exynos 9610 is weaker)
• 📱 Google Pixel 3a (Best camera, but worse autonomy)

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Before buying a used Mi A3 Check the battery status through the engineering menu (#4636##) or the AccuBattery app, with a capacity below 70% of the face value (2800mAh) indicating that you need to replace it.

Typical problems and ways to solve them

Over the years, Mi users have been in use A3 They found a few common problems, and here are the most common ones and how to fix them:

One of the most common problems is the “green line syndrome” on the AMOLED-screen that was displayed by ~3% users 1.5-2 This was due to a defect in the display plume:

1. Try to reconnect the plume (disassembly required)
2. Replace the screen module (cost) ~3000-4000₽)
3. Contact the service center (if the warranty is still valid)

⚠️ Note: Replacing the screen with Mi A3 It is important to use the original module with the same revision (v1, v2 or v3), Because incompatible versions may not work with the sensor or the fingerprint scanner, the revision number is on the back of the screen sticker.

Hidden tests can be used to diagnose hardware problems:

1. Enter in the dialer: ##6484###


2. Select "Manual Test"




3. Check all modules (camera, sensors, speakers)

FAQ: Frequent questions about Xiaomi Mi A3