# How to update the power meter firmware using the Web Browser

## 1. Navigate to the Update webpage

* Head to: <https://thegecko.github.io/web-bluetooth-dfu/examples/web.html>
* Choose a firmware package that you've previously downloaded.
* Click 'Select Device' button.

![](https://3210906295-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LAFl-quJvXSIV-V8Y2Z%2F-M4vdgHnHCWyCWi1e3Kj%2F-M4vfDJ2ye5RS5InR8UO%2FScreen%20Shot%202020-04-15%20at%202.08.38%20PM.png?alt=media\&token=0e1642ec-01b7-476a-9352-b190745c260c)

## 2. Select Device (Power Meter Name)

* A dialog box should pop up as shown below.

![](https://3210906295-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LAFl-quJvXSIV-V8Y2Z%2F-M4vdgHnHCWyCWi1e3Kj%2F-M4vfbonyw3utIXdvuGV%2FScreen%20Shot%202020-04-15%20at%202.32.22%20PM.png?alt=media\&token=d97548a7-9b50-4ca8-bbb9-75e3ccff3f9f)

* Select the appropriate device ('PwrMeter').
* Once selected, click the 'Pair' button.

![](https://3210906295-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LAFl-quJvXSIV-V8Y2Z%2F-M4vdgHnHCWyCWi1e3Kj%2F-M4vfhE0xubzykFaVelw%2FScreen%20Shot%202020-04-15%20at%202.32.30%20PM.png?alt=media\&token=d9359813-a5cf-45af-99c8-ec9d3f3ebb26)

## 3. Power Meter is now in bootloader mode

* Click 'Select Device' button once more.

![](https://3210906295-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LAFl-quJvXSIV-V8Y2Z%2F-M4vdgHnHCWyCWi1e3Kj%2F-M4vfneYDIZSCf2I9tY-%2FScreen%20Shot%202020-04-15%20at%202.12.17%20PM.png?alt=media\&token=8ffd1495-8073-4816-82f0-745289f7c4b7)

## 4. Select Device (DFU Target)

* A dialog box should pop up as shown below.

![](https://3210906295-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LAFl-quJvXSIV-V8Y2Z%2F-M4vl2J6_B-gE_Tk4zsU%2F-M4vliFJUD1B2ZOpf5h-%2FScreen%20Shot%202020-04-15%20at%202.12.28%20PM.png?alt=media\&token=bbe0194b-a402-4435-9090-cd5ee212c4c2)

* Select the device labelled 'DFU Target'.
* Once selected, click the 'Pair' button.

![](https://3210906295-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LAFl-quJvXSIV-V8Y2Z%2F-M4vdgHnHCWyCWi1e3Kj%2F-M4vfvYSF3kecTBCf7b3%2FScreen%20Shot%202020-04-15%20at%202.12.36%20PM.png?alt=media\&token=e5bf1cfe-a909-4e42-aa67-aaaff4afbf41)

## 5. Firmware update in progress

![](https://3210906295-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LAFl-quJvXSIV-V8Y2Z%2F-M4vdgHnHCWyCWi1e3Kj%2F-M4vfziRPzVUWh_lwqxb%2FScreen%20Shot%202020-04-15%20at%202.12.43%20PM.png?alt=media\&token=7d4ecab3-a728-43ba-8157-655ed02e6804)

## 6. Firmware complete

![](https://3210906295-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LAFl-quJvXSIV-V8Y2Z%2F-M4vdgHnHCWyCWi1e3Kj%2F-M4vg2Ubwgn79zX41Oqp%2FScreen%20Shot%202020-04-15%20at%202.14.06%20PM.png?alt=media\&token=d897b891-7cc9-4fee-a7b3-10ef4e0a591b)