Datasheet

to optionally update your Bluefruit LE modules with pre-release or BETA firmware.

This functionality is primarilly provided as a debug and testing mechanism for support

issues in the forum, and should only be used when trying to identify and resolve specific

issues with your modules!

Enabling BETA Releases on iOS

Make sure you have at least version 1.7.1 of Bluefruit LE Connect

Go to the Settings page

Scroll to the bottom of the Settings page until you find Bluefruit LE

Click on the Bluefruit LE icon and enable the Show beta releases switch

You should be able to see any BETA releases available in the firmware repo now

when you use Bluefruit LE Connect

Enabling BETA Releases on Android

Make sure you have the latest version of Bluefruit LE Connect

Open the Bluefruit LE Connect application

Click the "..." icon in the top-right corner of the app's home screen

Select Settings

Scroll down to the Software Updates section and enable Show beta releases

You should be able to see any BETA releases available in the firmware repo now

when you use Bluefruit LE Connect

Why can't I see my Bluefruit LE device after upgrading to Android 6.0?

In Android 6.0 there were some important security changes that affect Bluetooth Low

Energy devices. If location services are unavailable (meaning the GPS is turned off) you

won't be able to see Bluetooth Low Energy devices advertising either. See this issue for

details.

Be sure to enable location services on your Android 6.0 device when using Bluefruit LE

Connect or other Bluetooth Low Energy applications with your Bluefruit LE modules.

What is the theoretical speed limit for BLE?

This depends on a variety of factors, and is determined by the capabilities of the central

device (the mobile phone, etc.) as much as the peripheral.

Taking the HW limits on the nR51822 into account (max 6 packets per connection interval,

and a minimum connection interval of 7.5ms) you end up with the following theoretical

limits on various mobile operating systems: