Why Xiaomi Redmi 6A might not be included
Your Redmi 6A has stopped responding to the power button, the screen is black and charging is not working? There can be dozens of reasons for this behavior, from a trivial battery discharge to serious hardware malfunctions. The main rule is: do not panic and do not rush to carry the phone to the service center. In 70% of cases, the problem can be solved on your own, even without special skills.
This model, released in 2018, is known for its reliability, but it also has weaknesses, such as the power controller often fails after falls or overheating, and the charging connector eventually shatters, and the Redmi 6A is sensitive to non-original chargers, which can cause firmware failure or battery damage.
In this article, we will look at all possible causes, from software failures to physical breakdowns, and give step-by-step instructions for diagnosis and recovery, and learn how to distinguish a mild malfunction from a serious malfunction, when you should try to resuscitate your phone yourself, and when you should contact specialists.
First steps: what to check before repair
Before you take your phone apart or reset your settings, do a basic diagnostic, which will take no more than 5 minutes, but will help rule out the most obvious causes.
- 🔋 Check the charging and cable. 6A to another power supply unit (preferably original on the 5V/2A) And try some. USB-The charging indicator (red light bulb) shall be lit through the 5–10 minute.
- 🔌 Check the charging connector. Take a flashlight and check if there's any debris, oxidation or bent contacts inside. Clean the connector carefully with a toothpick (not metal objects!).
- 🔄 Hold the power button for 20 to 30 seconds. Sometimes the phone freezes in deep sleep, and holding the button for a long time helps it wake up».
- 🔊 Listen to the sounds. Hold the phone to your ear and press the power button. If you hear relay clicks or vibrations, but the screen doesn't turn on, the problem is the display or the plume.
If you're still not showing any signs of life after this manipulation, you'll want to go into a deeper diagnosis, but remember, if the Redmi 6A doesn't respond to charging and doesn't warm up (even slightly) when you're connected to the grid, there's a 90 percent chance that the power controller or battery is a problem.
Software failures: how to "reanimate" the phone without disassembling
If the Xiaomi Redmi 6A is somehow responsive to charging (heats, vibrates, but does not turn on), there is a high probability of a software failure.
- 📱 System freeze after updating or installing the application.
- 🔄 Cyclical reboot (phone turns on on the Mi logo and turns off).
- 🛠️ Damage to the recovery partition (no reset via buttons).
In such cases, hard reset or flashing through Fastboot will help, but be careful: these actions will delete all data from the phone!
Reset via buttons (if the phone vibrates)
If Redmi 6A is responsive to buttons, try resetting:
- Turn off the phone (if it is in a reboot cycle, wait for it to turn off).
- Press Volume Up + Power for 10-15 seconds until the Mi logo appears.
- Release the buttons. In a few seconds, the Recovery menu should open.
- Select Wipe Data → Wipe All Data → Confirm.
- After resetting, restart the phone (Reboot).
Keep a battery loaded (minimum 30%)
Use the original USB cable
Connect your phone to charge during the procedure
Do not interrupt the discharge process
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If the Recovery menu doesn’t open or the phone goes back into a cyclical reboot, you’ll need to flash it through Fastboot.
Fastboot Flashing (for experienced users)
This method requires a computer with Xiaomi drivers installed and the Mi Flash Tool program.
Detailed instructions for firmware through Fastboot
⚠️ Warning: The wrong firmware can finally kill your phone. If you're not sure what you're doing, go to the service center. It's especially dangerous to stitch through a phone with a dead battery, which can damage the memory chip.
Hardware malfunctions: when without repairs can not do
If the software methods didn't work, the problem is the hardware. Here are the most common hardware malfunctions of the Xiaomi Redmi 6A:
| Symptoms. | Probable cause | Can I fix it myself? |
|---|---|---|
| The phone does not warm up when charging, the indicator does not burn | Failed Power Controller (PMIC) | ❌ A soldering station is required |
| The phone is warming up, but it won't turn on. | Short circuit on the board or processor malfunction | ❌ Only the service center. |
| The screen is black, but the phone vibrates / sounds are there | The display plume or the screen itself is damaged. | ✅ Can be replaced by yourself |
| The phone is turned on only from charging, without it turns off | Battery wear (capacity < 20%) | ✅ Battery replacement |
The most common diseases of Redmi 6A:
- 🔋 Battery bloating (after 2-3 years of use) Signs: case deformed, phone spontaneously shuts down.
- 🔌 Charging connector dump (due to frequent connections/disconnections of the cable) Symptom: charging only takes place in a certain position of the cable.
- 📱 Display plume breaks (after falls) The screen may flash, show artifacts or not turn on at all.
If you decide to repair your phone yourself, here’s what you’ll need:
- 🛠️ Setting screwdrivers (PH00, T3, T5).
- 🔥 Dryer or thermo-air station (to replace the battery).
- 🔧 Suction and mediator (to take the screen off).
- 🔋 New battery (original: BYD or Sunwoda, 3,000 mAh capacity).
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Before disassembling the phone, take a picture of the location of all the plumes and screws. This will help to avoid errors in the assembly. Be especially careful about the small details near the camera and the speaker - they are easy to lose.
Replacement of the battery: step-by-step instructions
A worn-out battery is one of the most common reasons why the Redmi 6A doesn't turn on. If the phone is even slightly responsive to charging (heats but doesn't load), try replacing the battery. This is one of the few operations that can be performed at home without special equipment.
What you need:
- 🔋 New battery (recommended) BYD BM40 or analogue with the same capacity).
- 🛠️ Plastic mediator and sucker.
- 🔥 Fryer (for softening glue).
- 🧲 Magnetic screwdriver. T3.
Step-by-step:
- Turn off the phone and remove the tray for SIM-map.
- Heat the back cover (at ~60°C) with a hair dryer for 1-2 minutes to soften the glue.
- Put the lid on the mediator, starting at the corner near the charging socket. Be careful not to damage the fingerprint scanner plume!
- Unscrew 10 screws that fix the metal plate.
- Carefully disconnect the battery plume (use a plastic shoulder blade).
- Tap the old battery and remove the glue residue. Set up a new one, plug in the plume, and put the phone back together.
⚠️ Warning: Do not use metal tools to detach the battery plume - this can cause a short circuit! If a new battery is swelled or deformed during installation - immediately remove it and do not use it.
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After replacing the battery, be sure to calibrate it: fully discharge the phone, then charge to 100% without interruptions. Repeat the cycle 2-3 times for maximum capacity.
Problems with the charging connector: how to fix yourself
The Micro-USB connector in the Redmi 6A is one of the most vulnerable places. Over time, contacts become loosened, oxidized or detached from the board, and if the phone doesn't charge or only charges in a certain position of the cable, the problem is the connector.
Here's how to diagnose a malfunction:
- 🔍 Light the flashlight in the connector: if the contacts are bent or absent, a replacement is required.
- 🔌 Try to shake the cable in the connector. If you get a charge, it goes away, it's a sign of bad contact.
- 📱 Connect your phone to your PC: If your computer can’t see the device, the problem is the connector or controller. USB.
Replacing the charging connector is a more complicated operation than replacing the battery, but it's still possible at home.
- 🛠️ A soldering iron with a thin sting (power 30-40 W).
- 🔥 Soldier and flux (better to use No-Clean flux).
- 🔧 New Micro-USB connector (cost) ~100-200 rubles).
- 🧲 Loop or magnifying glass (contacts are very small!).
Replacement algorithm:
- Disassemble the phone (as with a battery replacement).
- Unfurl the old connector, heating each contact for 2-3 seconds.
- Clean the board from the old solder (use the overflow).
- Set a new connector, match the contacts, seal it with tape so it doesn't move when soldered.
- Carefully solder each contact, avoiding overheating the fee.
⚠️ Warning: If the phone doesn't charge or turn on after you replace the connector, check the integrity of the tracks on the board. Often, when soldered carelessly, the contacts break off. USB_D+ or USB_D-, This leads to complete inoperability of the device.
When to contact the service center
Not all breakdowns can be repaired on their own, but here are some cases where you can trust the professionals:
- 💻 Damage to the motherboard (burnt elements, cracks, detached tracks).
- 🔥 Short circuit (phone warms strongly, smells of burns).
- 📱 CPU or memory malfunction (phone not switched on but warmed up).
- 🔋 Battery bloating with board damage (corrosion or deformation of elements is visible).
The cost of repairing Xiaomi Redmi 6A in service centers:
| Type of repair | Cost (rupe) | Timeline |
|---|---|---|
| Battery replacement | 800–1 500 | 1-2 hours |
| Replacement of the charging connector | 1 000–2 000 | 1 day |
| Repair of the power controller | 2 500–4 000 | 2-3 days |
| Replacement of the display (with touchscreen) | 3 000–5 000 | 1-2 days |
Before you carry your phone for repair, check:
- 📋 Availability of a warranty card (if the phone is warranty, repairs can be free of charge).
- 🔍 Reviews of the service center (especially for repairs Xiaomi).
- 💰 Renovation cost vs new phone price (sometimes cheaper to buy a Redmi) 9A POCO C31).
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If the phone is in water, DO NOT turn it on or charge it! Remove the battery immediately and take it to the service. Self-drying risks exacerbating contact corrosion.