How to get the battery from Xiaomi Redmi 6: disassembly without damage

Introduction: Why you might need to remove the battery

The battery in the Xiaomi Redmi 6 is an integral part of the device, but sometimes it has to be retrieved. The reasons can range from replacing a bloated battery to deep repairs after falling or getting moisture. Unlike the flagship models with fixed covers, the Redmi 6 theoretically allows you to get to the battery, but the process requires caution.

Many users are afraid of disassembling themselves, and for good reason: wrong actions can lead to damage to the plumes, short circuit or even fire danger. However, with the right tools and clear instructions, the task becomes feasible. This article will help you understand how to remove the battery without risking the risk of incapacitating your smartphone, even if you have no experience in repairing equipment.

It's important to understand that the Xiaomi Redmi 6 (M1803C6DG/M1803C6DI) has a battery adhesive fastener, not a classic latch, which complicates the process, but doesn't make it impossible. Next, Step-by-step, taking into account all the nuances.

Preparation: security tools and measures

Before you start disassembling, make sure you have everything you need, and without the right tools, you risk damaging the body or the internal components.

• 🔧 Plastic mediators (2-3 pieces) - for careful liding and battery disconnection.
• 🔨 Cross screwdriver (size) PH00 or PH0) — hull-rotor.
• 🧴 Isopropyl alcohol (90%+) — glue-residue.
• 🔋 Suction (optional) - helps to lift the cover after heating.
• 🔥 Hair dryer or thermo-air station - for softening the glue (temperature not higher than 60)°C!).
• 🧤 Gloves – protection against static electricity and glue.

Also, prepare your workspace: it should be well lit, clean and dust-free, and work on a table with a soft substrate (such as a silicone mat) so that you don't scratch the screen or body.

⚠️ Never use metal tools (knives, blades) to jack up the lid or battery, which can puncture the battery, leading to fire or chemical burns.

If you're replacing a battery, buy the original 3000 mAh battery in advance (MB-J20). Cheap counterparts often have lower capacity and can swell in a few months.

Step 1: Turning off and disassembling the body

The first step is to completely shut down the power, and even if the smartphone is dead, its capacitors can store charge, so:

1. Press the power button and select Turn it off.
2. Wait for the screen to be completely turned off (at least 30 seconds).
3. Extract. SIM-card and memory card (if installed).

Now we're going to disassemble, and the Redmi 6 is mounted on latches and glue, so we're going to be careful.

1. Heat the back cover with a hair dryer (hold at a distance of 10-15 cm) for 1-2 minutes.
2. Insert a plastic mediator into the gap between the lid and the case at the charging connector.
3. Carefully drive the mediator along the edge, gradually lifting the lid, the latches should flick off with a characteristic sound.

If the lid doesn't lend itself, don't force it, reheat the problem area, and the rule is, it's better to heat it longer than break the latches.

Is the smartphone off?|Whether removed SIM-microSD card?|Is the back cover heated?|Are plastic mediators ready?|Is there alcohol on hand to clean?-->

Step 2: Disconnect the plumes and batteries

When you take the lid off, you'll see the battery covered with black film. Don't rush it out.

1. Unscrew 10 screws (9 cross and 1 with a hexagonal head under the tray) SIM-map).
2. Carefully disconnect the plumes: 📱 Display plume (upper part). 🔊 Dynamic plume (below the battery). 📶 Antenna plume (right of the battery).

BATTERY

To detach the battery connector, use a plastic mediator or tweezers. Don't pull the wires! If the connector is stuck, drop a little isopropyl alcohol and wait 10-15 seconds.

⚠️ If you accidentally close the contacts of the battery with a metal tool, stop working immediately. The battery could have suffered internal damage - its continued use is dangerous!

Once the power is out, you can start removing the battery, and it's glued to the body, so you need patience.

Step 3: Remove the battery without damage

The battery in Redmi 6 is glued all over the area, so you can't just pull it.

1. Tap the edge of the battery with a plastic mediator (start at any angle).
2. Pull it up, and the glue will start to stretch, and if the resistance is too strong, heat it with a hair dryer.
3. Put a thin plastic card (for example, a bank card) under the battery and gradually promote it deeper, separating the glue.
4. Repeat the process until the battery is completely separated.

Before installation:

1. Remove the protective film from the contacts of the new battery.
2. Apply double-sided tape or new glue to the case (not the battery!).
3. Connect the power connector to the motherboard.
4. Carefully press the battery, avoiding distortions.

After installation, check the operation of the smartphone before assembling the case:

1. Connect the charger - a charging indicator should appear.
2. Turn on your smartphone and check the charge level in Settings → Battery.
3. Make sure the battery is not warmed or swelled.

⚠️ Attention! If the smartphone doesn't turn on after the replacement or the battery runs out in a few hours, check: Correct connection of the plumes, integrity of the contacts on the motherboard, quality of the new battery (possible defect).

Frequent Mistakes and How to Avoid Them

Even experienced craftsmen sometimes make mistakes when working with the Xiaomi Redmi 6. Here are the most common problems and ways to prevent them:

• 🔧 Sliced screws – use high-quality magnetic-tipped screwdrivers and do not apply excess force.
• 🔥 Overheating of the battery – do not heat it for more than 2 minutes and do not exceed the temperature of 60°C.
• 💥 Short circuit – before work, remove static electricity (touch the grounded object).
• 📉 Capacity drop after replacement – only buy batteries from trusted sellers (e.g. iFixit, ETradesupply).
• 🔌 Damage to plumes – disconnect them only with plastic tools.

If after assembly the smartphone began to restart on its own or does not see SIM-I'm sure you forgot to plug in the antenna plume or damaged it.

Another common problem is the quick discharge after the battery is replaced, and this may be related to:

• Poor quality battery (capacity below the declared).
• Incorrect calibration (you need to completely discharge and charge the smartphone 2-3 times).
• Damage to the power controller on the motherboard.

💡

If the battery is not switched on after the battery is replaced, the first reason is an unconnected power connector or a display plume. Check them before panic!

Alternative methods: when disassembly is impossible

If you are unsure of your abilities or are afraid of damaging your smartphone, consider alternative options:

• 🔧 Contact the service center – official partners of Xiaomi will perform a replacement in 1-2 hours (cost: 1500-2500) ₽).
• 📦 Buy an external battery – Power Bank for 10,000-20 000 mAh will solve the problem of autonomy without disassembly.
• 🔄 Sell the smartphone for spare parts – if the battery is swollen, and the repair is unprofitable, you can get 2000-3000 ₽.

If you still decide to disassemble your smartphone yourself, but are afraid of damaging it, practice on a non-working device (for example, bought on Avito marked "for spare parts"), this will help you understand the structure of the case and avoid errors.

For those who want to save money but not take risks, turnkey disassembly services are available. Some workshops offer tool rental and specialist advice for a nominal fee (300-500). ₽).

FAQ: Answers to Frequent Questions