# u-connectXplorer — BLE companion for u-blox

> BLE companion for u-blox (iPhone/iPad app by u-blox Malmo AB.)

- Source: https://appshunter.io/ios/app/u-connectxplorer/id6766648417 (this page in markdown: same URL + `.md`)
- Developer: [u-blox Malmo AB](https://appshunter.io/developer/575523398)
- Category: Developer Tools, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 39 MB
- Languages: American English
- Released: 2026-05-11
- Data updated: 2026-08-15
- User reviews in markdown: https://appshunter.io/ios/app/u-connectxplorer/id6766648417/reviews.md

## What is u?

u-connectXplorer is the official companion app for u-blox u-connectXpress wireless modules. It is built for engineers and developers evaluating, integrating, or debugging u-blox short-range modules.

The app supports BLE Central (GATT Client), BLE Peripheral (GATT Server), socket terminals, MQTT, and OTA firmware update — all in one tool.

SUPPORTED u-blox MODULES
• NORA-W36 — Wi-Fi 4 + BLE 5.3
• NORA-B26 — BLE 6.0
• NORA-B27 — BLE 6.0
• NORA-B20 series — BLE 6.0 with DFU OTA

BLUETOOTH CENTRAL
• Scan with name, UUID, RSSI, and Resolvable Set Identifier filters
• Full GATT browser — discover services, read, write, subscribe to notifications
• GATT profile cards — Battery, Heart Rate, Device Information, Environmental Sensing, Current Time, Automation IO
• MTU negotiation up to 247 bytes
• Connection dashboard with live RSSI, MTU, and PHY information

SERIAL CONSOLE
• u-blox SPS (Serial Port Service) — credit-based flow control
• Nordic UART Service (NUS) — bidirectional serial
• Throughput tests with live kB/s chart (Echo, TX flood, RX, RTT)

BLE PERIPHERAL (GATT SERVER)
• Advertise SPS or NUS for module testing
• Standard GATT profiles — Battery, Heart Rate, Environmental, Device Info, HID Keyboard, Current Time
• Custom GATT service builder — define your own UUIDs and characteristics

WI-FI TOOLS
• Wi-Fi Provisioning over BLE (Nordic protocol) — configure modules wirelessly

NETWORK & IoT TOOLS
• Socket Terminal — TCP, UDP, TLS (client and server) with mutual-TLS support
• TLS certificate manager — upload PEM certificates, build SecurityContext
• MQTT 3.1.1 client — publish, subscribe, QoS, last will, TLS
• Network diagnostics — ping with RTT chart and gateway detection, mDNS service discovery, iperf2 bandwidth test, network interface info

FIRMWARE UPDATE OVER BLE
• Nordic DFU OTA for nRF-based modules
• SMP / mcumgr / SUIT OTA for nRF54 series (NORA-B20, B26, B27)
• Firmware browser with version picker

ADDITIONAL TOOLS
• Protocol Analyzer — real-time BLE packet capture, hex + text payload, JSON/CSV export
• Tracker detection — AirTag, SmartTag, Tile, Find My Device Network
• BLE Chat — peer-to-peer messaging and collaborative drawing over SPS/NUS
• Remote control API — JSON-RPC 2.0 WebSocket server for automation

This app does not collect, store, or transmit any personal data. All wireless communication happens directly between your iPhone, your u-blox module, and the destinations you choose.


## Version history (last 3 releases)

### 1.0.2 — 2026-05-15

BLE Dice Demo upgrades — real-time tracking and correct face orientation.

• 8× faster Bluetooth scan rate (~20 Hz) so the on-screen 3D dice tracks the physical die in near real time
• Fixed dice orientation for faces 2, 3, 4 and 5 — adopted the proven s-center YXZ Euler math so every face is now displayed correctly
• Slerp smoothing damps jitter at the higher scan rate for a fluid render
• New live chip shows Top + Front face and current sample rate per die
• Verified face order against ANNA-B5 hardware as the default
• Standalone Dice render test screen for renderer-only debugging without hardware

### 1.0.1 — 2026-05-12

Dice Demo improvements and SPS interop polish.

• BLE Dice Demo: world-lock keeps the 3D dice glued to the room; new "Reset view" button re-anchors after walking or turning
• Dice fling momentum — release mid-drag and the die keeps spinning until it comes to rest
• Developer debug HUD on the dice screen with live TRNG source, roll histogram, and sensor readouts (long-press OS TRNG badge)
• SPS: configurable Write-with-Response and Advertise-Indicate modes for third-party GATT client interop
• SPS Protocol Debug log panel covering CCCD subscriptions, credit grants, empty-credit stalls, and link drops
• Fixed SPS credits decoder so the spec-defined 0xFF / -1 "credits rejected" sentinel no longer stalls the link
• Share downloaded firmware via the OS share sheet (Mail, Messages, AirDrop, Files, …)

### 1.0.0 — 2026-05-11

No release notes.

## More apps by u-blox Malmo AB

- [u-blox BLE](https://appshunter.io/ios/app/u-blox-ble/id575523395)

All apps by u-blox Malmo AB: https://appshunter.io/developer/575523398

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*