Blog
CoreBluetooth deep dives. Code that compiles. Useful whether you buy the kit or not.
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OTA Firmware Update over BLE from iOS: The Complete Guide (2026)
Apple ships no first-party example. How OTA firmware update over BLE works from a Swift iOS client to a generic peripheral: protocol design, MTU math, the back-pressure bug, and the CRC handshake.
Shailendra Kumar Ram -
CoreBluetooth State Restoration on iOS: The Complete Guide (2026)
The most-Googled CoreBluetooth pain point, with the worst public answers. How state restoration works on iOS 16+, what Apple's docs leave out, and the five failure modes everyone hits.
Shailendra Kumar Ram