How To Fix Xiaomi Pocophone F1 Not Fast Charging (2026 Guide)

ByChad Buenaflor Posted on Updated on

The Pocophone F1 supports Qualcomm Quick Charge 4+ at up to 27W, but Xiaomi only included an 18W Quick Charge 3.0 charger in the box. That means most users never saw true maximum charging speeds to begin with — and when the phone drops to slow-charging or trickle-charging rates, the difference is immediately noticeable. The most common causes are a worn-out USB-C cable, debris in the charging port, or heat throttling that kicks in around 36–37°C.

Below are the fixes ordered from most common to most involved. Work through them in order — the first two solutions resolve the issue for roughly 80% of users.

Check Your Cable First — It Is Almost Always the Cable

USB-C cables degrade faster than most people realize. The internal charging pins wear down with daily plug-and-unplug cycles, and a cable that still transfers data can silently lose its fast-charging capability. XDA community members have confirmed that simply swapping the cable restored fast charging on their Poco F1 units even when the old cable appeared physically fine.

Here is what to do:

Try a different USB-C cable — ideally the original Xiaomi cable if you still have it, or a known-good cable from Ugreen or Baseus (both brands are well-tested by the Poco F1 community). If the phone fast-charges with the new cable, the old one is the problem. Throw it away so you do not accidentally use it again.

Avoid cheap no-brand cables from gas stations or dollar stores. These typically lack the wiring gauge needed for 18W charging and may only deliver 5W.

Replacement cables to consider:

Note: Amazon listings change frequently. Verify availability and reviews before purchasing.

Clean the USB-C Charging Port

Pocket lint, dust, and micro-debris accumulate inside the USB-C port over time. This creates a poor connection between the cable and the charging pins, which can downgrade charging speed or cause intermittent charging where the phone connects and disconnects repeatedly.

Power off the Poco F1 before cleaning. Use a can of compressed air with a straw nozzle aimed at the port — short bursts at an angle work best. If compressed air is not enough, use a wooden or plastic toothpick to gently dislodge compacted lint. Never use a metal tool inside the port, as this can short-circuit the charging pins or scratch the USB-C connector housing.

After cleaning, plug in the charger and check if the “Charging rapidly” notification appears on the lock screen.

Make Sure You Are Using the Right Charger

The Poco F1 supports Qualcomm Quick Charge 4+, which theoretically delivers up to 27W. However, the charger Xiaomi shipped in the box only supports Quick Charge 3.0 at 18W. That 18W charger is still considered “fast charging” for this phone — but if you are using a standard 5V/1A charger (the kind that ships with most budget earbuds and small devices), you will only get about 5W, which takes well over three hours for a full charge.

To get proper fast charging:

  • Use a charger rated for at least 18W with Quick Charge 3.0 or higher support
  • A Quick Charge 4.0 or USB Power Delivery (PD) charger will also work, though the Poco F1 will cap at its maximum supported input
  • Car chargers and laptop USB ports typically only deliver 5W–10W unless they specifically support QC 3.0 or PD

If you lost your original charger, any 18W+ QC 3.0 wall charger will work. The charger-and-cable kits linked above in the cable section include a compatible wall adapter.

Check for Heat Throttling

The Poco F1’s charging controller automatically reduces charging speed when the battery temperature reaches approximately 36–37°C. This is a safety feature — lithium-ion batteries degrade faster and can become dangerous when charged at high temperatures.

Common heat triggers during charging:

  • Using the phone while it charges (especially gaming or video streaming)
  • Charging in direct sunlight or in a hot car
  • Using a thick phone case that traps heat

To test whether heat is the issue, remove the case, place the phone on a cool surface, and charge it while the screen is off. If it fast-charges normally under these conditions, heat was the culprit. You can monitor battery temperature in Settings → About Phone → All Specs → Status or by using a free app like AccuBattery.

The ideal charging temperature range for the Poco F1 is between 20°C and 35°C. Charging speeds peak around 2,700–2,800 mA when the battery stays within this range.

Boot Into Safe Mode to Rule Out App Interference

A misbehaving app can cause excessive background CPU usage, which generates heat and triggers the charging throttle described above. Safe mode disables all third-party apps, so if the phone fast-charges normally in safe mode, a third-party app is the problem.

To boot the Poco F1 into safe mode:

  1. Press and hold the Power button until the power menu appears
  2. Long-press the Power Off option on screen
  3. When the “Reboot to safe mode” prompt appears, tap OK
  4. The phone will restart with “Safe mode” displayed in the bottom-left corner

Plug in the charger and check the lock screen. If it says “Charging rapidly,” one of your installed apps is interfering with charging. Restart the phone normally, then uninstall recently added apps one at a time until fast charging works again. Battery-monitoring apps and “charging booster” apps are frequent culprits — ironically, apps that claim to speed up charging often do the opposite.

To exit safe mode, simply restart the phone normally.

Reset App Preferences

If safe mode testing is inconclusive, resetting app preferences can fix situations where a system app needed for power management has been accidentally disabled.

  1. Open Settings → Apps → Manage Apps
  2. Tap the three-dot menu icon in the upper-right corner
  3. Select Reset App Preferences
  4. Tap Reset Apps to confirm

This does not delete any app data. It resets default app associations, re-enables any disabled apps, and restores notification permissions to defaults. Restart the phone afterward and test charging.

Update MIUI Firmware (If Available)

Important context for 2026: The Poco F1 reached end-of-life in September 2024. The final official firmware is MIUI 12.0.3 based on Android 10. Xiaomi will not release further updates for this device, so if you are already on MIUI 12.0.3, there is nothing new to install.

However, if your Poco F1 is still running an older MIUI version (MIUI 10 or 11), updating may resolve charging-related bugs that were patched in later releases.

To check and update:

  1. Go to Settings → About Phone → System Update
  2. Tap Check for Updates
  3. If an update is available, download and install it over Wi-Fi

Some users on the XDA forums have also installed custom ROMs (such as LineageOS or Pixel Experience) to keep their Poco F1 running newer Android versions. Custom ROMs can sometimes resolve firmware-level charging bugs, but flashing a custom ROM voids warranty and carries the risk of bricking the device. Only consider this if you are comfortable with the process. [INTERNAL LINK: custom ROM installation guide]

Factory Reset as a Last Software Fix

If none of the software steps above resolved the issue, a factory reset will rule out any remaining software cause. This erases all data on the phone, so back up everything first.

  1. Go to Settings → About Phone → Factory Reset
  2. Tap Erase All Data
  3. Enter your PIN or password when prompted
  4. Confirm and wait for the reset to complete

After the reset, do not install any apps yet. Plug in the charger immediately and check if fast charging works. If it does, the problem was software-related — restore your apps gradually and test charging after each batch to identify the culprit. If fast charging still does not work after a factory reset, the issue is hardware.

Alternative method via Recovery Mode: Power off the phone, then hold Volume Up + Power until the Xiaomi logo appears. In the recovery menu, select Wipe Data and confirm. Note that the stock MIUI recovery on the Poco F1 does not have a separate “Wipe Cache Partition” option — only “Wipe Data,” which performs a full factory reset.

When the Problem Is Hardware

If you have tried every fix above and the Poco F1 still will not fast-charge, the issue is likely a damaged USB-C port, a degraded battery, or a faulty charging IC on the motherboard. Here is what to do:

Check battery health. After several years of use, lithium-ion batteries lose capacity and their internal resistance increases. A battery with high internal resistance will charge slower regardless of the charger or cable used. If your Poco F1’s battery drains significantly faster than it did when new, the battery itself may need replacement.

Inspect the USB-C port. Look inside the port with a flashlight. If the center pin is bent, corroded, or if the port feels loose when a cable is plugged in, the port needs professional repair or replacement.

Seek professional repair. Since the Poco F1 is well out of its original warranty period (the phone launched in August 2018), you will need to pay for repair. Options include:

  • Xiaomi authorized service centers — Visit mi.com/global/support to find a location near you. Expect to pay for parts and labor since the warranty has expired.
  • Third-party repair shops — Many independent phone repair shops can replace a USB-C charging port or battery for the Poco F1. iFixit has a Pocophone F1 repair guide with part-level teardown instructions if you want to attempt a DIY repair.
  • Cost expectation — A USB-C port replacement typically costs $20–$50 at a local repair shop. Battery replacement runs $15–$35 for the part plus labor.

Given the Poco F1’s age, weigh the repair cost against upgrading to a newer device. If the rest of the phone works well and you are comfortable with MIUI 12 / Android 10, a port or battery replacement can extend the phone’s usable life by another year or two.

Quick Reference: Poco F1 Charging Specs

Specification Detail
Battery 4,000 mAh Li-Po, non-removable
Charging Protocol Qualcomm Quick Charge 4+ (up to 27W)
Included Charger 18W Quick Charge 3.0
Charging Port USB Type-C
Max Observed Current (Stock Charger) ~2,700–2,800 mA (~13W)
Thermal Throttle Threshold ~36–37°C battery temperature
Last Supported Firmware MIUI 12.0.3 / Android 10
End of Software Support September 2024

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