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How to Replace the Battery in the Nothing CMF Phone 1 – Full Teardown Guide

How to Replace the Battery in the Nothing CMF Phone 1 – Full Teardown

par Polar Tech AUSTRALIA

The Nothing CMF Phone 1 is one of the most eye-catching budget smartphones on the market today. It combines an unconventional design, customisable accessories, and solid all-round performance — all at a price that won’t break the bank.

Designed with young users and design enthusiasts in mind, this phone makes a bold statement. Want a fresh new look? Just swap the back cover. But what happens when the battery starts to fade? Nothing (the brand) hasn’t provided an official solution — so we decided to do it ourselves.

In this post, we’ll walk you through how to replace the battery in the Nothing CMF Phone 1, and give you a glimpse inside its unique internals.

🔧 Tools You’ll Need

  • SIM eject tool

  • Small Phillips screwdriver

  • Flathead screwdriver or plastic pry tool

  • Isopropyl alcohol (for softening adhesive)

  • Replacement battery (OEM recommended)

🧩 Step-by-Step Battery Replacement Guide

1. Power Off and Remove SIM Tray

Start by shutting down the phone and using the SIM eject tool to remove the SIM card tray. This part is pretty straightforward.

2. Remove the Back Cover (No Heat Required!)

Unlike most phones, the Nothing CMF Phone 1 doesn’t rely on strong adhesive to hold the back cover in place.
Remove the screw near the accessory interface knob, followed by four corner screws.
Press gently in the right spot — the cover pops off easily without needing a heat pad or pry tools. This design makes back cover swaps simple and encourages customisation.

3. Expose the Battery

Under a layer of black film lies the battery. Remove all the screws securing this protective film.

Warning: The label says you’re not authorised to remove the battery. But hey — it’s your phone, your choice.

4. Disconnect the Battery Connector

Gently lift the top metal shield with a flathead screwdriver to reveal the battery connector and disconnect it.

5. Watch Out for Hidden Screws

The lower shield won’t budge at first. Eventually, we discovered a hidden screw underneath a round sticker — classic Nothing design! If you’ve ever taken apart a Nothing Phone 2, this will feel familiar.

6. Remove the Battery

Drip a small amount of isopropyl alcohol around the edges to dissolve the adhesive.
Gently lift the battery, applying more alcohol if needed. It should come out cleanly.

The internal layout is neat, and the build quality is surprisingly high for a phone at this price point.

🧠 Bonus: Full Teardown Highlights

While we were inside, we went ahead and removed a few more components:

  • Motherboard: Held in place with one main screw and flex connectors

  • Display cable: Clearly labelled

  • Daughterboard: Contains the charging port and SIM reader

Overall, aside from the unique back design, the internal layout is very similar to most Android devices — logical and modular.

🛠️ Is It Worth Doing Yourself?

If you’re confident with tools and know your way around small electronics, yes — this is a doable repair. The CMF Phone 1 is more repair-friendly than many modern devices. But always proceed with caution, especially when handling adhesives and connectors.

📽️ Watch the Full Video

We’ve made a detailed video guide showing every step of this process.
👉 Watch on YouTube  

💬 Questions?

Have a question about the process? Hit us up in the comments section of the video or send us a message.

And if this guide helped you, don’t forget to bookmark it, share it, and subscribe to our channel for more teardown and repair content!

Spare Parts：

[NT03] Nothing Phone (2a) / Phone (2a) Plus / CMF Phone 1 - Replacement Battery: https://www.polartech.com.au/products/nt03-nothing-phone-2a-phone-2a-plus-cmf-phone-1-replacement-battery

Nothing CMF Phone 1 (A015) - Unlocked Working Main Board Motherboard: https://www.polartech.com.au/products/nothing-cmf-phone-1-a015-unlocked-working-main-board-motherboard

[OIR] Nothing CMF Phone 1 (A015) - AMOLED LCD Digitizer Display Touch Screen Assembly: https://www.polartech.com.au/products/oir-nothing-cmf-phone-1-a015-amoled-lcd-digitizer-display-touch-screen-assembly

[OIR][With Frame] Nothing CMF Phone 1 (A015) - AMOLED LCD Digitizer Display Touch Screen Assembly: https://www.polartech.com.au/products/oir-with-frame-nothing-cmf-phone-1-a015-amoled-lcd-digitizer-display-touch-screen-assembly

Nothing CMF Phone 1 (A015) -  Charging Port & Sim Reader Sub Board: https://www.polartech.com.au/products/nothing-cmf-phone-1-a015-charging-port-sim-reader-sub-board

Nothing CMF Phone 1 (A015) -  Bottom Loud Speaker Ringer Buzzer: https://www.polartech.com.au/products/nothing-cmf-phone-1-a015-bottom-loud-speaker-ringer-buzzer

Nothing CMF Phone 1 (A015) -  Back Rear Panel Battery Cover: https://www.polartech.com.au/products/nothing-cmf-phone-1-a015-back-rear-panel-battery-cover-2

Tags: #NothingCMFPhone1 #PhoneRepair #BatteryReplacement #DIYTech #TeardownGuide #NothingPhone #RightToRepair

par Polar Tech AUSTRALIA

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