S132 SoftDeviceSoftDevice

Bluetooth 5 Central and Peripheral protocol stack

SoftDevice S132 is a high performance Bluetooth 5 qualified protocol stack for the nRF52810 and nRF52832 SoCs. It supports up to 20 concurrent links in all roles. It supports Bluetooth 5 features: 2 Mbps, Advertising Extensions and channel selection algorithm #2. The number of connections and bandwidth per connection are configurable, offering memory and performance optimization.

It is a complete stack with GAP, GATT, ATT, SM, L2CAP, and Link Layer. Both GATT Server and Client are supported. The broad feature set also includes Privacy 1.2, LE Data Length Extension (DLE), configurable ATT MTU, L2CAP connection-oriented channels and LE Secure Connections.

Key Features
Bluetooth 5
2 Mbps
Bluetooth 5
Advertising Extensions
Bluetooth 5
CSA #2
All roles
20 concurrent
Secure Connections


Select version to download


6.1.1S132: Bluetooth 5 qualified

  • Minor bugfix release

6.1.0S132: Bluetooth 5 qualified

  • Qualified and supported LE Advertising Extensions features:
    • Long advertising packets
    • Chained advertising packets
    • Advertising and connection establishment on 2 Mbps and 1 Mbps
  • API to get the SoftDevice variant, flash usage, reserved PPIs, and reserved interrupt priorities
  • Fixed an issue with the S132 6.0.0 workaround for Errata 201 where the HFXO would sometimes not be released properly after RC calibration

6.0.0S132: Bluetooth 5 qualified

  • LE Extended Advertising (Limited support)
  • Quality of Service and channel monitoring
  • Updated advertising and scanning APIs

5.1.0S132: Bluetooth 5 qualified

  • The S132 v5.1.0 is API compatible with the S132 v5.0.0
  • The SoftDevice RAM usage is reduced compared to S132 v5.0.0
  • Bug fixes for link deadlocks and other issues
  • See the release notes for more information

5.0.0S132: Bluetooth 5 qualified

  • Channel Selection algorithm #2
  • Minor changes and bug fixes
  • Bluetooth 5.0 qualified
  • See the release notes for more information

4.0.5S132: Bluetooth 5 qualified

  • Production version of the S132 4.0.5
  • Bugfixes for link deadlock and other issues.
  • See the release notes for more information.

4.0.4S132: Bluetooth 5 qualified

  • Production version of the S132 4.0.4
  • The SoftDevice slave role now accepts overlapping peer-initiated Link Layer control procedures
  • Bugfixes and minor changes
  • See the release notes for more information

3.1.0S132: Bluetooth 5 qualified

  • Minor features and bugfixes
  • See the release notes for more information.

2.0.1S132: Bluetooth 5 qualified

  • Minor stability upgrade. See release notes for more information

1.0.0-3.alphaS132: Bluetooth 5 qualified

First release of the S132 SoftDevice.
The S132 is a Bluetooth Smart SoftDevice for Nordic Semiconductor's nRF52 Series SoC.
The feature set is based upon the S130 SoftDevice for the nRF51 Series.

You have selected: