Xiaomi Redmi Note 8 Pro warms up: the norm or the problem?

The Xiaomi Redmi Note 8 Pro is one of the most popular mid-range smartphones, but many users are experiencing overheating, some of which is natural, others are a signal of serious malfunctions, and we will figure out when heating is normal and when it requires intervention.

This model is equipped with a powerful processor MediaTek Helio G90T, which can be heated to 45-50 Β° C. However, if the temperature exceeds 55 Β° C in standby mode or 65 Β° C when charging, this is already cause for concern. In this article you will find proven ways to diagnose and solve the problem - from software settings to hardware repair.

1. Natural causes of heating: when it is normal

Not every heating of the Redmi Note 8 Pro is a sign of a breakdown. The processor, battery and screen generate heat as you go about your work, which is a physical law. Consider situations where the temperature rise should not be alarming.

During intense games (PUBG Mobile, Genshin Impact) or video rendering, the temperature can reach 50-55 Β° C. This is due to the operation of the Mali-G76 MC4 graphics accelerator and the high clock speed of the cores.

  • πŸ”‹ Fast charging (especially with power) 18W+)
  • πŸ“· Prolonged video shooting in 4K night-time
  • πŸ”„ Updating the system through OTA (flashing)
  • β˜€οΈ Use in the sun or in a hot room (+30Β°C)

Heating to 45Β°C in normal use (social media, instant messengers) and 55Β°C in stress is considered normal, and exceeding these values by more than 10Β°C already requires attention. To check the temperature, use applications like AIDA64 or CPU Monitor.

πŸ“Š How often does your Redmi Note 8 Pro overheat?
Only in games.
When charging.
Always, even in the plain.
Never warms up.

2. Program causes of overheating: viruses, background processes, software errors

In 60 percent of cases, overheating is not due to hardware, but to software failures, and the main culprits are background applications that consume CPU resources even in standby mode.

  • πŸ€– Social networks (Facebook, TikTok) with autoloading content
  • πŸ“ Applications for geolocation (Google Maps, taxi services)
  • πŸ”„ Auto-Update Games and Programs Through Play Market
  • 🦠 Viruses and mining bots (especially if the phone starts to warm up suddenly)

How to diagnose the problem:

  1. Open Settings β†’ Battery β†’ Battery Use and see which apps consume the most power.
  2. Start Task Manager (long press on the Home button) and close all unnecessary processes.
  3. Check your phone for viruses with Malwarebytes or Dr.Web Light.

If the problem is in a particular application, update it or remove it. Factory resetting will help for system failures (remember to make a backup!).

Disable Auto-Update Applications|

Close background processes in Task Manager |

Virus testing |

Cleaning the cache in Settings β†’ Memory |

Reset to factory settings (if nothing helps)-->

Hardware malfunctions: from battery to thermal paste

If the smartphone warms up even after resetting, the problem lies in the "hardware." Redmi Note 8 Pro has several vulnerabilities:

  1. Battery - over time loses capacity and can overheat when charging. Normal wear after 2-3 years of use.
  2. Processor – drying thermopaste between the chip and the radiator (actually after 1.5-2 years of use).
  3. Charging port – oxidation of contacts or damage to the power controller.
  4. Screen - malfunction of the illumination or plume (heats the upper part of the body).

It is difficult to diagnose hardware problems on your own, but there are indirect signs:

Symptoms.Probable causeDecision
Heats up when charging, the battery quickly goes downBattery wear (capacity < 70%)Battery replacement (original BM47)
Heat at the top of the gameDrying thermopaste on the processorCleaning and replacing thermopaste in the service
The phone turns off when heated >60Β°CThermoprotection is triggered (temperature sensor is defective)Diagnosis of the motherboard
The lower part warms, the charging is interruptedProblems with charging port or cableCleaning the port, replacing the cable / power supply

Accurate diagnosis requires disassembly of the device, if you have no experience, you should contact a service center, self-repair without tools can damage the plumes or break contacts.

How to check the wear of the battery without disassembly?
Open the AIDA64 application β†’ Battery β†’ See Capacity and Condition. If the capacity is less than 2500 mAh (at the initial 4500 mAh), it is time to change the battery. Also pay attention to the Temperature parameter - if it shows >40 Β°C in plain, it is critical.

4.The Charging Impact: Why the Redmi Note 8 Pro Warms When Connected to the Network

One of the most common complaints is heating while charging, and it's due to several factors:

  • πŸ”Œ Use of a non-original charger (especially with power) >18W).
  • πŸ”‹ Quick Charge 4.0 that increases current.
  • πŸ“± Simultaneous use of the phone while charging (games, video).
  • πŸ”₯ Problems with the power controller on the motherboard.

To reduce the heat:

  1. Use the original MDY-11-ED (18W) power supply.
  2. Do not play or watch videos while charging.
  3. Remove the cover - it can block the heat transfer.
  4. If the phone is warmed even with the original RAM - check the charging port for oxidation.

Temperatures up to 50Β°C when charging are considered normal, but if the case becomes hot (cannot be held in hand), this indicates a malfunction of the power controller.

πŸ’‘

If the phone only warms when wirelessly charging, try changing the charging station or check for standards compatibility (Redmi Note 8 Pro supports Qi up to 10W).

5. Overheating due to network problems: Wi-Fi, mobile Internet, GPS

Many people don’t realize that communication modules (Wi-Fi, 4G/5G, GPS) can cause overheating. Redmi Note 8 Pro is especially sensitive to:

  • πŸ“Ά Weak signal of the mobile network (the phone is constantly looking for a cell).
  • πŸ”„ Frequent reconnection to Wi-Fi (for example, in the subway or shopping center).
  • πŸ“ Continuing work GPS (Navigators, activity trackers).
  • πŸ“‘ Use of access points (distribution of the Internet).

How to reduce heat:

  1. Turn off Network Auto Search in Settings β†’ SIM-maps and mobile networks.
  2. Turn on Traffic Saving mode to limit background activity.
  3. Use flight mode in places with poor signal.
  4. Update the firmware of the communication module through Settings β†’ About Phone β†’ Update MIUI.

If the phone is warming even with the communication modules off, the problem may lie in the antenna switch or damage. RF-In such cases, only repairs will help.

πŸ’‘

The easiest way to test the effect of the network on heating is to put the phone in flight mode for 10-15 minutes. If the temperature drops, the communication modules are to blame.

External factors: covers, ambient temperature, humidity

Sometimes the cause of overheating is not the phone itself, but in the operating environment.The Redmi Note 8 Pro has a metal body that conducts heat well, but also heats up quickly from external sources.

Main external causes:

  • β˜€οΈ Direct sunlight (body temperature can rise to 60)Β°C in 10 minutes).
  • πŸ§₯ Dense cases (especially silicone or battery-operated).
  • πŸš— Use in the car in the sun or near the heater.
  • πŸ’¦ The swelling of the sleeves (may cause a short circuit).

Recommendations:

  1. Do not leave your phone in the sun (even when it is off).
  2. Use perforated covers or remove them when working hard.
  3. Avoid placing your phone near heat sources (laptop, microwave).
  4. If the phone is wet, do not turn it on, but immediately carry it to the service.

When operating in extreme conditions (hot climate, humidity > 80%), it is recommended to use moisture cover and avoid prolonged loads.

7.When to contact the service: critical temperature and signs of breakdown

If all of the above methods did not help, and the temperature of the Redmi Note 8 Pro exceeds 60 Β° C in standby mode, this indicates a serious malfunction.

  • πŸ”₯ The phone turns off when heated (thermal protection is triggered).
  • πŸ”‹ The battery is swelling (see above the raised screen).
  • πŸ’» On the screen appear artifacts when heated (strips, flickering).
  • πŸ”Œ Charging is interrupted or does not go at all.
  • πŸ“΅ The phone will not turn on after overheating.

Average cost of repairs in service centers:

Type of repairCost (rupe)Timeline
Battery replacement1 500 β€” 2 5001 day
Cleaning/replacement of thermal paste2 000 β€” 3 5002-3 days
Renovation of the charging port1 200 β€” 2 0001 day
Diagnosis of the motherboard1 000 β€” 1 5001-2 days

When contacting the service, check if they use original parts (especially for the battery and processor).

πŸ’‘

Before visiting the service, back up your data via Settings β†’ Additional β†’ Backup. Hardware repairs may require resetting.

FAQ: Frequent questions about overheating Redmi Note 8 Pro

❓ Why is your phone warming up even when you are waiting?
This can be caused by: background processes (check in Settings β†’ Battery); battery failure (check wear through AIDA64); viruses or miners (scan the phone with antivirus; if nothing helps, there is a hardware problem (power controller, temperature sensor).
❓ Can I use my phone if it's warm to 50?Β°C?
Temperatures up to 50Β°C are considered safe for the Redmi Note 8 Pro, but long-term use at these values reduces battery life.Try not to load the phone extra (games, videos) and let it cool.
❓ Which case is better to choose so that the phone does not warm up?
Optimal options: Perforated or mesh cases; thin plastic or carbon cases (up to 1 mm thick); aluminum heat sink cases; avoid silicone cases and battery models, which block heat transfer.
❓ Why does your phone warm up when you connect to your computer?
This is due to: data transfer (especially large files); USB charging (if the computer port is producing high current); driver conflict (try reinstalling the Mi PC Suite); Solution: use the original cable and turn off data transfer after copying the files.
❓ Can you replace the thermopaste in the Redmi Note 8 Pro?
Technically, but: It will require a complete disassembly of the phone (risk of damage to the plumes); specialized thermal paste for mobile devices (for example, Arctic MX-4); experience with small electronics; If you do not have experience, you should contact the service. Cost of work: ~ 2000 rubles.