Samsung Galaxy charging slowly? 6 fixes

What changed: a note on what our Galaxy S26 (Korean model SM-S942N, One UI 9) shows here, with its screenshot.

howtosimply.com/guides/samsung-galaxy-charging-slowly-6-fixes/ · Checked October 2026 · Samsung Galaxy A57 5G (SM-A576B), One UI 8.5, Android 16

4 of 4 steps with real screenshots · 3 official sources below

Device

Android

Shown on

Samsung Galaxy A57 5G (SM-A576B), One UI 8.5, Android 16

App

Settings

Real screenshots

4 of 4 steps

What we did

Observed: looked at each screen, changed nothing

Checked

October 2026

Sources

3 official, linked below

Step by step

1. 

   Open Charging settings and switch on Fast charging

   Open Settings, Battery and tap Charging settings, below Battery information on our Galaxy A57. Samsung says to turn on Fast charging and Fast wireless charging. Our Galaxy A57 has only Fast charging; it was on, and not greyed out while charging.

   Watch these steps Done

2. 

   Watch the charging estimate

   Show charging information shows the battery level and the estimated time until full when Always On Display is off or not shown, so you can tell whether a charger is slow. It was on on our Galaxy A57.

   Done

3. 

   Check Battery protection

   Settings, Battery, Battery protection. Samsung says to select a different option or turn Battery protection off if charging stops early. On our Galaxy A57 it was on, with Basic.

   Done

4. 

   Read the charging text

   Samsung says fast charging may not work when connected to a PC or a standard USB device. On our Galaxy A57, plugged into a Mac, the Always On Display still read Fast charging: 44% and 1 h 20 m until full.

   Done

What changed: a note on what our Galaxy S26 (Korean model SM-S942N, One UI 9) shows here, with its screenshot.

Watch these steps

If you do not see this option

• You also see Fast wireless charging. Our Galaxy S26 (Korean model SM-S942N, One UI 9) has a second switch, Fast wireless charging, under Fast charging. It affects only charging on a wireless pad; both were on.

  

• No Fast wireless charging switch Our Galaxy A57 lists only Show charging information and Fast charging under Charging settings. Samsung names the wireless switch on models that charge wirelessly. Source: How to enable fast charging and fast wireless charging on your Samsung Galaxy device
• Fast charging is greyed out Samsung's older fast-charge page says you cannot change it while charging: unplug first. On our Galaxy A57, charging from a Mac, it was not greyed out; we did not try to change it. Source: How to fast charge on your Galaxy device

If this does not work

• Still slow: the cable or charger Samsung says to disconnect the charger and reconnect the cable firmly. It also says third-party cables that do not meet the required specifications can stop charging now and then, and suggests a genuine Samsung cable. Sources: Samsung Galaxy device may appear to be charging slowly or not charging at all, How to enable fast charging and fast wireless charging on your Samsung Galaxy device
• Lint in the port Samsung says to remove visible dust or debris carefully, without metal objects or liquids. Source: Samsung Galaxy device may appear to be charging slowly or not charging at all
• The phone is hot Samsung says charging may stop for a while or slow down when the phone gets too hot. Source: Samsung Galaxy device may appear to be charging slowly or not charging at all

About this guide

Samsung's page for slow charging checks the connection, the port, heat, Battery protection and the Fast charging switch.

The screenshots are from a Samsung Galaxy A57 5G with One UI 8.5 and Android 16, in Dark mode, while it charged from the USB port of a Mac.

Good to know

Stops at 80% or 95%? Samsung Galaxy won't charge to 100%: Battery protection explained.

If the phone shows a moisture warning, Samsung says to shake it gently to get the moisture out of the port and wipe it with a soft, clean cloth.

In short: Fast charging on, a firm cable connection, a clean port, a cool phone, Battery protection checked. From a computer, fast charging may not work.

📷 See real photos from the Galaxy A57 in our Camera Lab, next to 10 other phones.