How to Restart Fitbit Charge 2: A Complete Guide to Soft and Hard Resets
The Fitbit Charge 2 is a reliable fitness tracker, but like any smart device, it occasionally freezes, stops syncing, or behaves unexpectedly. Knowing how to restart it — and understanding which type of restart your situation calls for — can save you time and prevent unnecessary data loss.
Why Restarting a Fitbit Charge 2 Matters
A restart clears temporary software glitches without erasing your stored fitness data. Most common Charge 2 problems — a frozen screen, missed heart rate readings, failed Bluetooth syncing, or an unresponsive display — respond well to a simple restart.
It's worth distinguishing between two different reset types before you begin:
- Soft restart — Reboots the device, clears minor bugs, preserves all data
- Factory reset (hard reset) — Wipes the device back to factory settings, erases stored data and personal settings
Most users need a soft restart. A factory reset is typically only necessary when you're transferring the device to a new owner or dealing with a persistent, unresolvable issue.
How to Soft Restart the Fitbit Charge 2 🔄
The Charge 2 doesn't have a power button in the traditional sense, so restarting it requires a specific button combination.
What you need: The Fitbit Charge 2 itself. No app, phone, or charger required for a basic restart.
Steps:
- Press and hold the side button on the left of the device for 1–2 seconds
- You'll see the screen light up — keep holding
- Continue holding until you see the Fitbit logo or a smile icon appear on the screen
- Release the button
- The device will vibrate briefly and restart
The whole process takes about 10–15 seconds. Once the screen returns to the clock face, the restart is complete.
If the screen is completely unresponsive: Plug the Charge 2 into its charging cable first. Sometimes a deeply frozen device needs a power source before it can respond to button input. Once connected, attempt the same button-hold sequence.
How to Factory Reset the Fitbit Charge 2
A factory reset wipes all data stored on the device — including alarms, goals, and any unsynced activity. Always sync your Charge 2 to the Fitbit app before performing a factory reset to preserve your fitness history.
Two methods are available:
Method 1: Reset Through the Device Itself
- Go to Settings on the Charge 2 (swipe up from the clock face to access the menu)
- Scroll to About
- Tap Clear User Data
- Hold the button when prompted to confirm
Method 2: Reset Through the Fitbit App
- Open the Fitbit app on your phone
- Tap your profile icon, then select Charge 2
- Scroll down to Remove This Fitbit Device
- Confirm the removal
This method disconnects and clears the device from your account, effectively resetting the pairing. You would then set it up fresh as a new device.
Common Problems a Restart Can Fix
| Problem | Soft Restart | Factory Reset |
|---|---|---|
| Frozen or unresponsive screen | ✅ Usually resolves | Not typically needed |
| Bluetooth won't sync | ✅ Often resolves | If repeated failure |
| Heart rate sensor glitching | ✅ Try first | Rarely needed |
| Notifications not working | ✅ Good first step | Not typically needed |
| Preparing to sell or gift device | ❌ Not sufficient | ✅ Required |
| Persistent software errors | ✅ Try first | If restart fails |
What a Restart Does — and Doesn't — Do
A soft restart clears the device's active memory and forces background processes to reload cleanly. It doesn't touch your stored step counts, sleep logs, heart rate history, or personal settings. Think of it like restarting a laptop — your files stay intact.
A factory reset, by contrast, removes the user profile tied to the device. Fitness data that has already synced to the Fitbit app or Fitbit's servers remains accessible through the app — it isn't deleted from your account. Only unsynced data sitting on the device itself is at risk of being lost.
Firmware and Software Variables Worth Knowing 💡
The Charge 2 runs on Fitbit's proprietary firmware, which has received several updates over the device's lifespan. The exact menu layout — particularly the Settings > About path — may look slightly different depending on which firmware version is installed on your specific unit.
If you're not seeing an "About" or "Clear User Data" option in the device menu, it's possible your firmware version organizes settings differently, or the menu requires a longer press to navigate. Fitbit's app-based reset method works consistently across firmware versions and is often the more reliable path.
The operating system on your paired phone (iOS or Android) can also affect how smoothly the app-side reset process works. Older versions of the Fitbit app on outdated phone operating systems occasionally have trouble executing device commands. Keeping both the Fitbit app and your phone's OS reasonably up to date removes that variable.
When a Restart Doesn't Solve the Problem
If the Charge 2 still freezes repeatedly after both a soft restart and a factory reset, the issue may be hardware-related rather than a software glitch. Common hardware culprits include a degraded battery (which can cause erratic behavior as it loses capacity over time) or physical damage to internal components.
At that point, the relevant factors shift — how old the device is, whether it's been exposed to water beyond its rated resistance, the condition of the charging contacts, and whether Fitbit support is still offering assistance for a device of its age all become meaningful considerations.
The restart process itself is the same for every Charge 2, but what happens after a successful or unsuccessful restart depends entirely on the specific condition and history of your individual device. 🔍