Box v1.0.8
A huge thank you to everyone who has reported issues and taken the time to share feedback — your reports directly drive
improvements in Box and are genuinely appreciated. Keep them coming.
_**Two variants available:**_
Box_v1.0.8_Main_Signed_Release.apk — stock Android 15 +
Box_v1.0.8_custom-rom-support_Signed_Release.apk — GrapheneOS / custom ROMs without Google Play Services
New Features
- Saved System Prompts — Save, name, and reuse system prompts directly in the model settings dialog. Tap a saved prompt to
apply it instantly; swipe or long-press to delete. - Restore Defaults — New button in model settings resets all sliders (temperature, top-K, top-P, max tokens) back to their
default values in one tap.
Fixes
- System prompt now actually applied — Changing the system prompt mid-session correctly resets the conversation with the new
instruction. Previously the prompt was saved in the UI but not passed to the model. - Markdown rendering in math responses — Plain-text segments inside chat bubbles now render through the Markdown pipeline,
fixing broken formatting in responses that mix text and LaTeX math. - Randomised inference seed — Each conversation now uses a unique random seed, producing more varied outputs across sessions
when using CPU backend.
UI Polish
- AI chat bubbles now use the full available width.
- Removed "API Documentation", "Example code", and "Learn more" links from the model list — they pointed to upstream Google
resources not relevant to Box. - Removed the stray ? icon that appeared next to models that hadn't been downloaded yet.
- LaTeX headers fixed.
Known Issue Upstream
- GPU backend produces identical outputs — On devices where the GPU sampler is unavailable (affects Pixel 6a and others), the
LiteRT LM engine internally restricts token candidates to 1 before sampling, forcing greedy decoding regardless of
temperature/top-K settings. This is a limitation in LiteRT LM v0.11.0 with no app-level workaround. Switch to CPU in model
settings for varied outputs. Reported upstream as issue #817.
