Product
PeekSmith 3
Firmware v1.10.13 — fixes a connection issue and improves battery life.

Electricks published a major PeekSmith app update with firmware releases for PeekSmith 3, Quantum, Echo and MrCard, and a substantial rework of Spirit Echo that adds PROMPTER peek functionality plus stability and feature improvements.How to update the app
Products mentioned
Product
Firmware v1.10.13 — fixes a connection issue and improves battery life.
Product
Firmware v1.1.2 — batch of bug fixes.
Product
Reworked with a new PROMPTER mode that lets Echo receive board content and act as a peek device; faster connections; 2–3s image transfer; new chalk rendering engine (TrueDraw/TrueWrite/TrueSketch); presaved images; auto-recovery; action-on-send vibration alerts.
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In-app firmware updates and now shows battery percentage.
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Experimental support added (works with tested versions), includes calibration and Time-screen compatibility; free for now but may become a paid add-on later.
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Now shows battery percentage.