How to remove the battery from Xiaomi Mi 6: disassembly without damage

Removing the battery from the Xiaomi Mi 6 is a task that may be needed when replacing the battery, repairing the motherboard or diagnosing malfunctions. Although the model was released in 2017, it is still actively used due to reliable filling and upgrade capabilities, but disassembling this smartphone has its own nuances: adhesive battery fixation, a fragile fingerprint scanner plume and the risk of damage to flexible cables.

In this article, you will find a step-by-step photo guide, a list of tools you need, and critical warnings to avoid common mistakes. We will look at both the standard method of dismantling with plastic blades, as well as alternative methods for cases where the battery has stuck to the housing, and we will focus on safety issues, from static electricity to the correct shutdown of the plumes.

If you have never taken a smartphone before, we recommend that you first read the article. FAQ-The block at the end of the article, which contains answers to the most common questions of beginners, has prepared unique life hacks for softening glue without specialized tools and a table of compatibility of replaced batteries for experienced craftsmen.

Preparation for disassembly: tools and conditions

Before you start dismantling, make sure you have everything you need. The Xiaomi Mi 6 is a non-removable battery model, so you'll need special tools. Here's the minimum set:

• 🔧 Set of screwdrivers (cross-haul) PH00, flat 1.5 mm, five-pointed Y00 screw-tray SIM)
• 📱 Plastic blades/mediators (2-3 pc, thickness 0.2–0.4 mm)
• 🔥 Hair dryer or thermo-air station (for softening glue, temperature 60-80)°C)
• 🧲 Suction (to lift the display module after heating)
• 🛠️ Tweezers (preferably with curved ends for working with plumes)
• 🔋 New battery (if you are planning to replace it; check compatibility in the table below)

Also prepare the workplace:

• 🪑 Work at a table with a soft substrate (such as a silicone mat) so as not to scratch the body.
• 💡 Lighting should be bright and directional - a table lamp with a magnifying glass is ideal.
• ⚡ Use an antistatic bracelet or periodically touch a grounded object to remove static electricity.

⚠️ WARNING: If you're disassembling a phone with a broken display, be sure to tape it with tape before heating! glass dust and shrapnel can get inside the case and damage components.

Step 1: Turn off and turn off power

The first and most important step is to completely shut down the device, and even if the battery is dead, there may be a voltage in the motherboard capacitors. Here's how to properly prepare the Xiaomi Mi 6:

1. Hold the power button for 10-15 seconds to force the phone to turn off (if it doesn’t respond to a normal shutdown).
2. Extract. SIM-card and memory card (if installed) so as not to damage them when heated.
3. Wait 5-10 minutes – this is the time required for the discharge of capacitors.

If you're replacing the battery because of bloating, don't try to puncture it! A bloated battery can ignite when it's mechanically exposed.

• 🚫 Do not heat the body above 50°C.
• 🛑 Work in a well-ventilated room.
• 🔥 Keep a Class C fire extinguisher handy (for electrical equipment).

💡

If the phone doesn’t turn off because of “hanging”, plug it into charging and hold the power button + increase the volume for 20 seconds – this will force the device to restart 90% of the time.

Step 2: Rear cover removal

The back cover of the Xiaomi Mi 6 is attached to glue and latches. To remove it, you need careful heating.

1. Heat the hair dryer edge of the cover around the perimeter for 2-3 minutes, keeping it at a distance of 5-7 cm.°C.
2. Apply the suction cup closer to the lower edge (where the Type-C connector is located) and pull up.
3. In the resulting gap insert a plastic spatula and carefully conduct it around the perimeter, snapping the clamps.

Common mistakes at this stage:

• ❌ Too much heat – can warp plastic or damage the glue under the battery.
• ❌ Using metal tools – scratches the body and can close contacts.
• ❌ Attempting to remove the cover without heating - leads to breakage of the latch.

Step 3: Disconnecting the plumes and disassembling the battery

Once the lid is removed, you'll see a battery glued to the body and some plumes. It's critical to disconnect the battery from the motherboard BEFORE any manipulation of the plumes, or you risk burning the power controller.

1. Unscrew 5 screws that fix the metal plate over the plumes (use the PH00 screwdriver).
2. Carefully tuck the battery connector with a plastic spatula. It is located at the top of the board (see photo below).
3. Disconnect the fingerprint scanner and display module plumes (they are fragile – pull the black tongue, not the wires!).

Now you can start dismantling the battery, and it's attached to a two-way tape, which eventually gets stuck.

For most users, the first method is optimal: heat the battery with a hair dryer (70-80 °C) and gently tuck it into the corner with a plastic blade. If the battery does not respond, do not apply force - you should repeat the heat or use alcohol.

⚠️ Warning: If the battery starts to smoke or hiss during the dismantling, stop working immediately! This is a sign of thermal decomposition of lithium polymer cells. Place the battery in a non-combustible container (for example, a metal jar) and take it outside.

The phone is turned off and cooled after heating|Battery plume disconnected from motherboard|Tools have no barbs.|There is a fire extinguisher on hand (for bloated batteries)|I wear gloves (optional, but recommended)-->

Step 4: Installation of a new battery

If you have removed the battery for replacement, when installing a new one, follow these rules:

1. Clean the seat from the remnants of old glue with isopropyl alcohol and a lilac-free wipe.
2. Apply new double-sided tape (e.g. 3M 9448A) or special battery glue. Do not use superglue or paper tape!
3. Connect the battery connector to the motherboard and check the voltage with a multimeter (should be 3.7-4.2 V).
4. Put the battery in place and press evenly over the entire area (for example, with a book) for 10-15 minutes.

Once installed, reassemble the phone in reverse order.

• 🔌 The fingerprint scanner plume – it often departs when assembled.
• 🔒 Wrapping screws - do not pull, so as not to tear the thread.
• 📶 Antenna contacts (metallic “mustache” around the perimeter of the body).

Before final assembly, turn on the phone and check:

• 🔋 Charging (connect the charger).
• 📞 Communication (check signal level).
• 👆 Fingerprint scanner (if the plume was leaving during assembly, reconnection may be required).

1. Correct connection of the battery plume.

2. the presence of voltage on the contacts (multimeter).

3. Integrity of the fuse on the motherboard (often burns with KZ).-->

Alternative methods of dismantling

If the standard method didn’t work (eg, glue is too old), you can use alternative methods. We tested them on Xiaomi Mi 6 and are ready to share the results:

Method 1: Use of thread

You'll need a 0.2-0.3 mm capron thread, you'll need to squeeze it under the battery at the corner and you'll need to cut the glue back and forth, and the advantage of this method is that you have minimal risk of battery damage, but it takes 15-20 minutes.

Method 2: Softening of glue with alcohol

Apply isopropyl alcohol (90%+) around the battery perimeter with a brush or syringe. Wait 5-10 minutes, then try to tamper with the battery. Alcohol dissolves the glue, but can damage the labeling on the board - use it carefully.

Method 3: Special tools

For professionals, a battery pack (such as the iFixit Battery Removal Kit) is suitable.

• 🔪 Metal blades with insulation.
• 🧴 iFixit Adhesive Remover Adhesive Remover.
• 🧲 Magnetic screw mat.

This set speeds up the process, but costs 1500-2500 rubles.

Frequent Mistakes and How to Avoid Them

Even experienced craftsmen sometimes make mistakes when disassembling the Xiaomi Mi 6, and here are the most common ones and ways to prevent them:

If you do damage the plume or component, don't panic. For the Xiaomi Mi 6, there are:

• 🔧 Fingerprint scanner plume (~500 rubles).
• 📱 Display module (~3,000 rubles).
• 🔌 Type-C charging connector (~400 rubles).

Parts can be found on AliExpress, in stores like FixPriceService or from local suppliers (check reviews!).

FAQ: Answers to Frequent Questions