How to update Garmin Forerunner 245 and 255 series

If you own a Garmin smartwatch and want to update it to the new software, read along to know on how to update Garmin Forerunner 245 and 255.

Nowadays, running on the latest version of the software is one of the essential things, and the same can be said for the Garmin watches. Garmin Forerunner 255 runs on Garmin’s custom smartwatch operating system known as GarminOS. Although, there’s no doubt that Garmin watches are one of the best non-wearOS smartwatches. But still, if you want to squash up the bugs and try out the new features, then make sure that your watch runs on the latest software. Here’s how to update Garmin Forerunner 245 and 255.

Updating to the new software will not only give you access to new features but you can also see overall improvements like better battery life in day-to-day usage. Now if you own the Garmin’s Forerunner 245 series or 255 series smartwatch you can easily update it to the new software.

There are three different ways by which you can update your Garmin Forerunner series watch to the new version of the software. And in this article, I am going to tell you all three ways how to update Garmin Forerunner 255 and the last year’s 245 series watch.

How to Check Current Software Version on Garmin Forerunner 245 and 255

Before moving to each update method, make sure to check out the current software version on your watch. As there are sometimes when a new update will break a feature or a bug will cause performance issues, so make sure that you know the software version on your watch before updating to the newer one.

Here are the steps by which you can check the current software version on Garmin Forerunner 245 and 255.

  1. Open Settings on your watch by pressing the Up button.
  2. Now head over to the About section.
  3. Here, you’ll see the current software version on your Garmin Forerunner 245 and 255 watch. You’ll see the Unit ID (along with the serial number) and software version, e.g. ((21.01) 403700000).

If you’re looking for the older version, then you can easily find it on Garmin’s support page, you can simply head over to your watch’s support section, if you own the Forerunner 245 then you can head over to this page and access the software version history. You can follow the same for Garmin Forerunner 255.

Now you know the software version on your Watch, let’s take a look at the methods on how you can update your Garmin Forerunner 255 or last year’s 245 to the new version.

How to update Garmin Forerunner 245 and 255 [Automatic software updates]

One of the coolest things about Garmin watches is automatic software updates, yes, once you pair your watch with the Garmin Connect mobile app, you will automatically get the new software updates on your watch. Yes, this cool functionality is enabled by default there’s no need to turn it on from the Settings, but if you’re not receiving the updates and want to check if the setting is turn on or not then, here are the steps.

how to update garmin forerunner 255
IMG: Garmin Support Forum
  1. Long press the Up button on your Garmin Forerunner 245 or 255 series watch.
  2. Scroll down and find Settings then press the Start Stop button to enter.
  3. Now use the Up and Down buttons to find the System option and enter the system settings.
  4. Tap on Software Update, here you’ll find the automatic software updates switch, you can toggle it on or off.
  5. That’s it.

After enabling this option, software updates will automatically be installed over the air to your Garmin watch, make sure to sync up the watch. Now you know how to update Garmin Forerunner 245 and 255 automatically, let’s take a look at the manual degradation process.

How to update Garmin Forerunner 245 and 255 [Manual software updates]

Now you’re aware that your Garmin watch will automatically get update when there’s a new software update available, but just in case you’ve disabled the automatic software updates option and want to update your watch to the new version, here’s how you can manually install new software on your Garmin Forerunner 245, 245s, 245 Music, 245s Music, 255, 255s, 255 Music, or 255s Music Watch.

To install new software manually, the process is the same as mentioned in the automatic software updates section, instead you will get the Install Now option in the software updates section.

  1. Long press the Up button then open Settings by pressing the Start Stop button.
  2. Find the System option and enter the System Settings.
  3. Now tap on Software Update.
  4. Now you’ll see a new software with the version number along with the Install Now option.
  5. Use the Start Stop button to update your watch.
  6. That’s it.

Once done, the new software will be installed on your Garmin Forerunner 245 and 255 series watch.

How to update Garmin Forerunner 245 and 255 [From Computer using Garmin Express]

Just in case your watch is not paired with your iPhone or Android smartphone, but still, if you want to install new software on your watch, then you can do it with Garmin’s Express tool available to install software through computers (both Windows PC and Mac).

how to update garmin forerunner 255

Obviously, you need the Garmin Express software installed on your PC, you can head over to this page to download the latest version of the tool. After installing the tool, plug the charging cable into the USB port on your PC and connect the watch. Once connected, follow the on-screen instructions to install the new software on your Garmin Forerunner 255 and obviously on the last year’s 245 series smartwatch.

All done, you need to set up the watch again, here’s our step-by-step guide on how you can set up and pair the Garmin Forerunner 255.

Now you know how to update Garmin Forerunner 245 and 255 to the latest software, if you still have any queries, you can comment in the below comment box.

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By Haneet Singh

Haneet is a passionate tech writer and a consumer. He loves tinkering with new wearable devices. Haneet is covering smartphones at YTECHB. For tips, you can connect Haneet at haneetsingh@outlook.com

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