Nothing‘s sub-brand CMF has just rolled out meaningful firmware updates for three of its popular budget earbuds: the CMF Buds 2, Buds 2a, and Buds 2 Plus. If you’ve been waiting for refreshed performance or just hoping for fewer hiccups with your everyday wireless listening, you’ll want to pay attention to these updates.

What’s New For Each Model?

CMF Buds 2 (Version 1.0.1.32)

• Ultra Bass Revamped: The headline here is sound quality improvements in Ultra Bass mode, promising richer bass that’s punchy but not overwhelming.
• Bug Fixes: Various under-the-hood tweaks should mean a more reliable experience overall.

CMF Buds 2a (Version 1.0.1.46)

• Polish, Inside and Out: Buds 2a users are getting an update focused on bug fixes and general stability, aiming to keep your daily listening smooth and hassle-free.

CMF Buds 2 Plus (Version 1.0.1.40)

• Ultra Bass Upgrade: Like the regular Buds 2, the Plus version also sees an improved Ultra Bass sound profile.
• LDAC Improvements: Audiophiles running LDAC will appreciate performance boosts for high-res streaming, a subtle but welcome refinement for those who notice the little things.
• Bug Squashing: General bug fixes round out the update for an all-around better experience.

All updates are rolling out in a staggered fashion, so don’t worry if you don’t see them right away. To update your CMF earbuds, use the Nothing X app. Start by connecting the earbuds to your phone and ensuring the Nothing X app is up to date. Open the app and go to the settings menu, usually found in the top right corner. Look for the “Firmware Update” option and tap it. The app will check for any available updates. If an update is available, follow the on-screen instructions to begin. Make sure the earbuds have at least 30% battery, are placed in the charging case, and the case remains open during the update.

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CMF has officially launched its latest true wireless stereo (TWS) lineup in India: the Buds 2a, Buds 2, and Buds 2 Plus — expanding its CMF Buds 2 series as promised. Each model targets a different segment of the market with varying features.

CMF Buds 2a

The CMF Buds 2a is the entry-level offering. It features a lightweight design, 42dB Active Noise Cancellation (ANC), a large 12.4mm bio-fibre driver, and enhanced bass performance. It houses 4 HD microphones with Clear Voice Technology and Wind Noise Reduction 2.0 for improved call clarity. Battery life stands at 35.5 hours without ANC and up to 23 hours with ANC active. The Buds 2a are IP54 rated for dust and water resistance and support Bluetooth 5.4 with dual device connectivity.

CMF Buds 2

The CMF Buds 2 positions itself as a mid-range model. It incorporates an 11mm dynamic driver with PMI and PU diaphragm material, Dirac Opteo tuning, Spatial Audio Effect, and Ultra Bass Technology. It offers up to 48dB hybrid ANC and features 6 HD microphones with Clear Voice Technology 3.0 and Wind Noise Reduction 3.0. Battery life peaks at 55 hours without ANC and 32 hours with ANC. It also supports adaptive ANC, transparency mode, and touch controls, alongside an IP55 rating for the earbuds.

CMF Buds 2 Pro

At the top end, the CMF Buds 2 Plus includes Hi-Res LDAC audio codec support, a 12mm dynamic driver with LCP and PU diaphragm, Personal Sound Profile, Ultra Bass Technology 2.0, and Spatial Audio Effect. It offers up to 50dB hybrid ANC and hearing compensation. The Buds 2 Plus features 6 HD microphones with Clear Voice Technology 3.0 and Wind Noise Reduction 3.0. Battery life reaches 61.5 hours without ANC and 33 hours with ANC. It also supports low-latency Game Mode (under 105 ms with Nothing Phones), in-ear detection, and fast charging.

All three models feature Bluetooth 5.4, dual connection support, Google Fast Pair, Microsoft Swift Pair, and touch controls. Users can customize settings via the Nothing X app, including integration with ChatGPT for voice command features. However, unlike the Buds Pro series, these models do not include a Smart Dial control on the case.

Pricing, availability, and color options

Color options vary across models:

• Buds 2a: Dark Grey, Light Grey, and Orange
• Buds 2: Dark Grey, Light Green, and Orange
• Buds 2 Plus: Blue and Light Grey

The CMF Buds 2a is priced at Rs. 2,199, the Buds 2 at Rs. 2,699, and the Buds 2 Plus at Rs. 3,299. They are available for purchase through Flipkart and select retail partners across India.

Alongside these new earbuds, CMF has also launched the CMF Phone 2 Pro, positioned as an affordable mid-range smartphone with a modular, sealed back for better water resistance. It features a MediaTek Dimensity 7300 Pro 5G processor, 8GB RAM, up to 256GB storage, and a 120Hz refresh rate AMOLED display. The phone will be available to buy starting May 5, 2025, with some interesting launch offers.

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CMF by Nothing has finally revealed the launch date for its upcoming smartphone along with a couple of its new truly wireless earbuds. The CMF Phone 2 Pro, CMF Buds 2 Plus, CMF Buds 2, and CMF Buds 2a are set to debut later this month, so here’s what we know so far.

CMF Phone 2 Pro, CMF Buds 2 Series Launch Date

In the latest teaser, the company confirmed that the upcoming mid range smartphone and TWS earbuds will be announced on 28th April 2025. This marks the second smartphone launch from CMF following the CMF Phone 1, which debuted back in 2023. Apart from revealing the launch date, the image poster also showcases the camera layout for the rear sensors. It appears that there are three shooters at the back along with an LED flash module.

In one of the previous teasers, CMF revealed that it is working on a new textured back with a tactile finish for the CMF Phone 2. The image shared a close up of the device with a sleek finish and a metallic screw in one corner. So the customizability is being retained over its predecessor. There has been a render mock up that does showcase the possible design but these are still unconfirmed at the moment. Based on what we know so far, the CMF Phone 2 could have a MediaTek Dimensity chip and may sport a smaller 6.3-inch display.

Alongside this smartphone, the company is set to announce the CMF Buds 2, CMF Buds 2 Plus, and CMF Buds 2a. These are the successors to the original CMF Buds and will likely arrive at multiple price points. Back in February 2025, the Buds Plus model surfaced on the FCC database, revealing its design, dimensions, battery capacity (53mAh earbuds, 460mAh charging case), and charging speeds (3W). So stick around around for more as we will be covering the launch event later this month.

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Nothing’s sub-brand, CMF, is reportedly working on its next TWS earbuds, the CMF Buds 2 Plus. The company has launched the CMF Buds Pro, CMF Buds, and Buds Pro 2 so far.

The upcoming Buds 2 Plus has recently appeared on the FCC certification website, which reveals key details about its design, battery, and features. While it’s unclear whether the Buds 2 Plus will succeed the original CMF Buds (released back in March 2024), the certification hints at notable upgrades within a familiar design language.

CMF Buds 2 Plus details

The CMF Buds 2 Plus (model number B184) will feature a square-shaped case with a rotating dial, similar to the CMF Buds Pro 2. This dial, expected to be called the ‘Smart Dial,’ will allow users to adjust volume, control playback, and customize settings, offering enhanced functionality compared to the original CMF Buds.

The case also bears the ‘CMF by Nothing’ branding at the bottom right corner, maintaining the brand’s minimalist aesthetic.

In terms of dimensions, the case measures 73mm x 64mm and weighs 105 grams. The earbuds themselves feature a semi-in-ear design. Although it’s unclear if they will include silicone ear tips. Each earbud is powered by a 53mAh battery, while the case packs a 460mAh one.

The case of the upcoming Buds 2 Plus supports 3W input and 1.2W output, which means each earbud charges at 0.6W. Judging from the battery capacity, it should result in a decently fast charging speed. The Buds 2 Plus will also support Bluetooth Low Energy connectivity, which ensures seamless pairing and efficient operation.

While other details remain under wraps, the Buds 2 Plus could potentially launch alongside the Nothing Phone (3a) series on March 4. More information is expected to be revealed as we inch closer to the launch. To recall, the CMF Buds Pro 2 currently retails at Rs 4,299, while the original CMF Buds are available for Rs 2,499.

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