Xiaomi Redmi 4: release date, specifications and relevance in 2026

In the world of low-cost mobile technology, the Xiaomi Redmi 4 was a landmark event that laid the foundation for the brandโ€™s further expansion into global markets.This smartphone came at a time when consumers were looking for a balance between affordable price and metal body, as well as autonomy. Many users still wonder about the exact release date to assess the age of the device, compatibility with modern applications or cost in the secondary market.

The story behind the release of this gadget is interesting because Xiaomi has applied a phased launch strategy, first introducing the device in China, and then adapting it for the international market called Redmi 4X or simply Redmi 4. The date of the announcement and real sales often varied by several months, which created confusion. In this article, we will analyze in detail the chronology of events, the technical features of various modifications and analyze whether it makes sense to purchase this device years after its premiere.

Understanding when the smartphone came into being helps determine the potential of its software and the availability of spare parts. If you're considering buying a used device or just looking at the evolution of the Redmi line, the exact time frame will be a key factor in making a decision. Let's dive into the details.

The chronology of exit and global expansion

The official launch of the smartphone took place in China on November 1, 2016, a date that should be considered the starting point of the model life cycle, the Chinese market received the device first, and the initial excitement was associated with the incredibly low price for a metal body and a battery capacity of 4100 mAh.

However, for the rest of the world, including India and Europe, the device became available much later: the global version, known simply as Redmi 4, reached international shelves only in early 2017.In India, for example, sales began in February 2017, which confirms the strategy of gradually saturating the markets.

โš ๏ธ Note: When buying a device in the secondary market, pay attention to the region of origin. Chinese versions may have pre-installed software that does not support Google services out of the box, or missing frequencies. LTE (B7, B20), Europe-important.

The time difference between the Chinese release and the world release was about 3-4 months, during which time the manufacturer managed to carry out additional firmware optimization and eliminate small hardware flaws identified by the first users, so global versions are often considered more stable in operation than the very first batches from China.

๐Ÿ“Š When did you first learn about Redmi 4?
Just when we go out in 2016
Only in 2017-2018
I only found out now.
I still use this phone.

Technical characteristics and architecture

At the time of its release, Xiaomi Redmi 4 had characteristics that could be safely called flagship for the budget segment. The heart of the device was the 8-core Snapdragon 430 processor, made on 28-nm process technology. It was the first chipset Qualcomm with support for LTE Cat.7 modem, which provided high speed mobile Internet.

The screen of the smartphone was IPS-diagonal 5 full-resolution inches HD (1920ร—1080 The pixel density was 441 The ppi, which guaranteed a clear picture without visible grain, provided protection for the display with Corning Gorilla Glass, which was rarely seen for devices of this price range.

Energy efficiency became an important aspect: thanks to the combination of a power-consuming screen and an optimized processor, the smartphone could last up to two days in moderation.

ParameterMeaningNote
ProcessorSnapdragon 430 (8 cores)Frequency up to 1.4 GHz
RAM2 GB/3 GBType of LPDDR3
Built-in memory16GB/32GBMicroSD slot up to 128GB
Camera (main)13 MPAperture f/2.0, PDAF
Battery4100mAhNon-removable, 5V/2A charge

It's worth noting that there's a fingerprint scanner on the back, which was a premium feature in 2016 that worked fast and accurately, and the infrared port allowed the smartphone to be used as a universal remote control for household appliances, which is still a feature of Xiaomi today.

Comparison of versions: Standard, Prime and High-End

The Redmi 4 lineup was not uniform. The manufacturer released several modifications that differed not only in memory, but also in the materials of the case, and even the screen diagonal. The basic version, often called the Standard, received 2 GB of RAM and 16 GB of internal memory.

The Redmi 4 Prime (or High-End) was a hit, featuring increased RAM of up to 3GB and built-in memory of up to 32GB. It also featured a better body covering and a metal ring fingerprint scanner, while the base version featured plastic.

  • ๐Ÿ“ฑ Redmi 4 Standard: 2/16 GB, plastic frame, plastic scanner, price at the start ~$130.
  • ๐Ÿ’Ž Redmi 4 Prime: 3/32 GB, metal case fully, metal scanner, price at start ~$150.
  • ๐ŸŒ Redmi 4X: Global copy of Prime, but with a screen of 5 inches and a battery of 4100 mAh (in China, released as Redmi). 4X With a 5-inch screen and a 4100mAh battery, while the global Redmi 4 had the same specs).

โš ๏ธ Donโ€™t confuse Redmi 4 with Redmi 4A. Model"4A" โ€” It's a completely different device with a plastic case, a screen. HD (720p) Snapdragon 425 processor, which came out later as an even more budget-friendly alternative.

The differences between the versions affected not only the performance in games, but also the speed of the interface. The 3GB version of RAM fared significantly better at multitasking, allowing more applications to be kept open in the background without rebooting them.

Software and Relevance of MIUI

At the time of release, the smartphone was running Android 6.0 Marshmallow with a shell MIUI 8. During its life cycle, the device received an update to Android 7.0 Nougat and MIUI 9, which was the maximum limit for official firmware.

Today, stock firmware can be insecure because of the lack of security updates. But a vibrant community of developers has created a lot of custom firmware, and enthusiasts have ported even Android 10 and 11 to Redmi 4 through projects like LineageOS and Pixel Experience.

Should I install a custom firmware?
Installing third-party software (Custom ROM) allows you to get a fresh version of Android, but requires unlocking the bootloader. This cancels the warranty (if it is still valid) and carries the risk of turning the phone into a โ€œbrickโ€ if you do not do it correctly. For Redmi 4, this is often the only way to get current versions of applications, since many of them stop supporting Android 6-7.

If you plan to use your phone as a primary, you can install lightweight firmware. Standard MIUI can work a little hard on old hardware with modern versions of applications. Optimized builds allow you to breathe a second life into the device.

Redmi 4 in 2026: Should I Buy It?

More than 7 years after the release, the issue of buying Xiaomi Redmi 4 is relevant only in the context of the off-budget segment or as a second device. As a main smartphone in 2026, it will experience serious difficulties.

The main problem is not so much the processor, but the amount of RAM. Even 3 GB of RAM today is critically small for comfortable surfing on social networks and instant messengers. YouTube in high resolution can slow down, and navigators will work slowly.

โ˜‘๏ธ Criteria for evaluation of used Redmi 4

Done: 0 / 5

But it has its niches, and it's perfect for:

  • ๐Ÿš— Navigator in the car: Full screen HD and GPS-The module is still working perfectly.
  • ๐Ÿ“ป Digital Photo Frame: A Good Matrix IPS Allows displaying photos with excellent color reproduction.
  • ๐Ÿ‘ถ First phone for a child: Durable metal case hard to smash and parental controls will restrict access to heavy play.
  • ๐ŸŽฎ Retro console: For console emulators up to PlayStation 1 power Snapdragon 430 is quite enough.

If a seller asks for an amount close to the cost of new public sector employees (for example, Redmi 13C or Realme C-series), the deal does not make sense. The new devices will offer 3-4 times more performance and support for 4G/5G networks of all bands.

Frequent problems and their solution

Over the years, Redmi 4 owners have faced a number of common problems, including a Wi-Fi or Bluetooth module dump, often involving overheating of the processor and disruption of the chip soldering to the motherboard, and treatment requires professional rebolling at a service center.

The second problem is battery degradation: Lithium-ion batteries don't live forever, and in 5-7 years, the capacity of the original battery could have dropped to 50-60% of the original battery, and replacing the battery is the most efficient way to extend the life of the device, because finding a new phone with this autonomy is difficult now.

โš ๏ธ Warning: When replacing your battery, avoid cheap Chinese counterparts without a brand. They can swell after a month of use and damage the screen or case. Use originals or proven brands like Nohon or Baseus.

And users complain about the slow operation of the sensor at low temperatures, which is a feature of the capacitive screens of that period, so if the phone was in the cold for a long time, it needs to be given time to warm up to room temperature before turning on.

๐Ÿ’ก

If your phone starts to warm up and run out quickly, try doing a "Wipe Cache Partition" over a receptacle, which will clear temporary system files that may have accumulated over years of updates, and sometimes help reduce the workload on the processor.

Conclusion and final verdict

The Xiaomi Redmi 4, released in November 2016, became one of the most successful smartphones in the companyโ€™s history. It set the standard for a budget-grade, offering metal, a Full HD screen and a great battery. However, the time is inexorable, and today its specs are obsolete.

Buying it in 2026 makes sense only for a token amount for specific tasks or collectible purposes. For everyday use, it is better to consider more modern models, even in the budget segment, which will offer support for current versions of Android and normal speed.

๐Ÿ’ก

The Redmi 4 is a legend of its time, but in 2026 itโ€™s a device for enthusiasts, collectors or as a second gadget, but not as a mainstream phone for an active life.

The story of this smartphone is a vivid example of how fast the industry is growing: what was considered top for its money 7 years ago is today the basic minimum available in the cheapest devices, but the memory of Redmi 4 in the hearts of Xiaomi fans will remain forever.

What is the exact release date of Xiaomi Redmi 4?
The official announcement in China took place on November 1, 2016, and global sales began in February-March 2017.
Which version of Android can I upgrade to Redmi 4?
Officially, the smartphone has received an update to Android 7.0 Nougat (MIUI 9/10). Further update is possible only through the installation of custom firmware (Custom ROM).
What is the difference between Redmi 4 and Redmi 4A?
The Redmi 4 has a metal body, a Snapdragon 430 processor and a Full HD screen. the Redmi 4A is a cheaper model with a plastic body, a Snapdragon 425 processor and an HD screen (720p).
Does Redmi support 4G networks?
Yes, all versions of Redmi 4 support 4G LTE networks, but global versions may not support some frequencies (e.g. Band 20), which is important for Europe and Russia.
Can I unlock the bootloader on Redmi 4?
Yes, the bootloader is officially unlocked through the Mi Unlock service, which is necessary for custom firmware installation and superuser rights (Root).