Connect the public Device Lab invitation and physical-iPhone receipts

README.md

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   <div class="ralph-org-actions">
+    <a href="https://huggingface.co/RalphLabsAI/ralph-crowns/discussions/3">Join Device Lab #1</a>
     <a href="https://huggingface.co/spaces/RalphLabsAI/Ralph-Pocket-Lab">Choose a crown</a>
     <a href="https://huggingface.co/RalphLabsAI/ralph-crowns">Download the model</a>
     <a href="https://ralphlabs.ai/rounds/7">Audit Round 7</a>
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     <div><strong>Public decisions</strong><span>signed round records</span></div>
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 </section>
+
+## One crown. Four physical iPhones. Your receipt next.
+
+Our configured 2.94 GB Round 7 sub2 crown loaded and answered in PocketPal on
+four physical iPhones. [Watch the video and add your own result to Device Lab #1](https://huggingface.co/RalphLabsAI/ralph-crowns/discussions/3).
+Successes and failures are both useful; include your device, app version, and settings.
+
+These are Ralph team-authored BrowserStack tests using a test-only PocketPal
+build. The devices stayed connected and all showed **Memory tight**; this is
+not App Store memory-fit or offline certification. The exact sub2 builder is
+[boweizh1204](https://huggingface.co/boweizh1204).
+
+[Uncut recordings, exact settings, and limitations](https://huggingface.co/datasets/RalphLabsAI/ralph-device-lab/tree/7f5f1cfbf7882726a6c55a1d9b2f7c0ff06b3da8)
+· [Build a device receipt](https://huggingface.co/spaces/RalphLabsAI/Ralph-Pocket-Lab)