<h1 data-path-to-node="0"><strong data-path-to-node="0" data-index-in-node="0">{FIXED} HP Smart App Login &amp; Account Sync Support (2026)</strong></h1> <p data-path-to-node="1">In 2026, the <strong data-path-to-node="1" data-index-in-node="13">HP Smart App</strong> (often referred to simply as the <strong data-path-to-node="1" data-index-in-node="59">HP App</strong>) remains the central hub for printer management. Login failures or "Unable to register" errors are typically caused by a <strong data-path-to-node="1" data-index-in-node="187">Browser Redirect Loop</strong> or an <strong data-path-to-node="1" data-index-in-node="215">Account Sync Timeout (Error UA_200)</strong> between your device and the HP Cloud. If you can't sign in, it usually means the app's internal browser is blocked by a security setting or an outdated cache token.</p> <p data-path-to-node="2">For 24/7 technical assistance with 2026 account resets, UA_200 error resolution, or to fix a "Sign In" loop, you can reach the support desk at <strong data-path-to-node="2" data-index-in-node="143">+1-855-508-8955</strong>.</p> <hr data-path-to-node="3" /> <h3 data-path-to-node="4"><strong data-path-to-node="4" data-index-in-node="0">I. Why the HP App Won't Let You Sign In</strong></h3> <ul data-path-to-node="5"> <li> <p data-path-to-node="5,0,0"><strong data-path-to-node="5,0,0" data-index-in-node="0">Browser Privacy Block:</strong> On Android and iOS, the app tries to open a browser window to authenticate. If your default browser (like Samsung Internet or Chrome) is set to <strong data-path-to-node="5,0,0" data-index-in-node="167">"Block Pop-ups,"</strong> the login window will never appear.</p> </li> <li> <p data-path-to-node="5,1,0"><strong data-path-to-node="5,1,0" data-index-in-node="0">Account Sync Error (UA_200):</strong> This code signifies a timeout during the 2026 security handshake. It often happens if your printer is not yet registered to your email or if your regional settings (e.g., USA vs. India) don't match.</p> </li> <li> <p data-path-to-node="5,2,0"><strong data-path-to-node="5,2,0" data-index-in-node="0">Cached Session Data:</strong> If you see a "Remember Me" loop or a blank white screen, the app is likely stuck on an old 2025 authentication cookie.</p> </li> </ul> <hr data-path-to-node="6" /> <h3 data-path-to-node="7"><strong data-path-to-node="7" data-index-in-node="0">II. Step-by-Step 2026 Login Fixes</strong></h3> <h4 data-path-to-node="8"><strong data-path-to-node="8" data-index-in-node="0">1. The "Browser Swap" Fix (Android/iOS)</strong></h4> <p data-path-to-node="9">If the login page doesn't load:</p> <ol start="1" data-path-to-node="10"> <li> <p data-path-to-node="10,0,0">Go to your phone <strong data-path-to-node="10,0,0" data-index-in-node="17">Settings &gt; Apps &gt; Default Apps</strong>.</p> </li> <li> <p data-path-to-node="10,1,0">Change your <strong data-path-to-node="10,1,0" data-index-in-node="12">Default Browser</strong> to <strong data-path-to-node="10,1,0" data-index-in-node="31">Firefox</strong> or <strong data-path-to-node="10,1,0" data-index-in-node="42">Chrome</strong>.</p> </li> <li> <p data-path-to-node="10,2,0">In the browser settings, ensure <strong data-path-to-node="10,2,0" data-index-in-node="32">"Block Pop-ups"</strong> is <strong data-path-to-node="10,2,0" data-index-in-node="51">Disabled</strong>.</p> </li> <li> <p data-path-to-node="10,3,0">Return to the HP Smart App and try to sign in again. You can switch back to your preferred browser once the setup is complete.</p> </li> </ol> <h4 data-path-to-node="11"><strong data-path-to-node="11" data-index-in-node="0">2. Reset App Cache (Windows 11)</strong></h4> <p data-path-to-node="12">If the app opens but keeps asking for a password:</p> <ol start="1" data-path-to-node="13"> <li> <p data-path-to-node="13,0,0">Go to <strong data-path-to-node="13,0,0" data-index-in-node="6">Settings &gt; Apps &gt; Installed Apps</strong>.</p> </li> <li> <p data-path-to-node="13,1,0">Find the <strong data-path-to-node="13,1,0" data-index-in-node="9">HP Smart/HP App</strong> and click <strong data-path-to-node="13,1,0" data-index-in-node="35">Advanced Options</strong>.</p> </li> <li> <p data-path-to-node="13,2,0">Click <strong data-path-to-node="13,2,0" data-index-in-node="6">Reset</strong>. This clears all 2026 local data without deleting your printer profiles.</p> </li> <li> <p data-path-to-node="13,3,0">Restart the app and perform a fresh login.</p> </li> </ol> <h4 data-path-to-node="14"><strong data-path-to-node="14" data-index-in-node="0">3. Resolving the UA_200 Sync Error</strong></h4> <ol start="1" data-path-to-node="15"> <li> <p data-path-to-node="15,0,0">Log in to your account via a web browser at <code data-path-to-node="15,0,0" data-index-in-node="44">hpsmart.com</code> to ensure your 2026 credentials are valid.</p> </li> <li> <p data-path-to-node="15,1,0">Ensure your <strong data-path-to-node="15,1,0" data-index-in-node="12">Country/Region</strong> in the account settings matches the physical location of the printer.</p> </li> <li> <p data-path-to-node="15,2,0">If the error persists, use the <strong data-path-to-node="15,2,0" data-index-in-node="31">Embedded Web Server (EWS)</strong> (by typing the printer's IP into a browser) to <strong data-path-to-node="15,2,0" data-index-in-node="104">"Remove Web Services"</strong> and then turn them back on to force a new 2026 claim code.</p> </li> </ol> <hr data-path-to-node="16" /> <h3 data-path-to-node="17"><strong data-path-to-node="17" data-index-in-node="0">III. 2026 Troubleshooting Checklist</strong></h3> <table data-path-to-node="18"> <thead> <tr> <td><strong>Symptom</strong></td> <td><strong>2026 Root Cause</strong></td> <td><strong>Quick Action</strong></td> </tr> </thead> <tbody> <tr> <td><span data-path-to-node="18,1,0,0"><strong data-path-to-node="18,1,0,0" data-index-in-node="0">Blank White Screen</strong></span></td> <td><span data-path-to-node="18,1,1,0">CSS/Javascript Block</span></td> <td><span data-path-to-node="18,1,2,0">Update your browser to the latest version.</span></td> </tr> <tr> <td><span data-path-to-node="18,2,0,0"><strong data-path-to-node="18,2,0,0" data-index-in-node="0">"Invalid Credentials"</strong></span></td> <td><span data-path-to-node="18,2,1,0">Case Sensitivity</span></td> <td><span data-path-to-node="18,2,2,0">Reset your password via the <strong data-path-to-node="18,2,2,0" data-index-in-node="28">HP Store "Forgot Password"</strong> page.</span></td> </tr> <tr> <td><span data-path-to-node="18,3,0,0"><strong data-path-to-node="18,3,0,0" data-index-in-node="0">"Unable to Register"</strong></span></td> <td><span data-path-to-node="18,3,1,0">UA_200 Error</span></td> <td><span data-path-to-node="18,3,2,0">Wait 2 hours or call <strong data-path-to-node="18,3,2,0" data-index-in-node="21">+1-855-508-8955</strong> for a server push.</span></td> </tr> <tr> <td><span data-path-to-node="18,4,0,0"><strong data-path-to-node="18,4,0,0" data-index-in-node="0">"Printer Not Found"</strong></span></td> <td><span data-path-to-node="18,4,1,0">5GHz/2.4GHz Mismatch</span></td> <td><span data-path-to-node="18,4,2,0">Switch your phone to the <strong data-path-to-node="18,4,2,0" data-index-in-node="25">2.4GHz</strong> band for setup.</span></td> </tr> </tbody> </table> <hr data-path-to-node="19" /> <h3 data-path-to-node="20"><strong data-path-to-node="20" data-index-in-node="0">IV. Frequently Asked Questions (FAQs)</strong></h3> <p data-path-to-node="21"><strong data-path-to-node="21" data-index-in-node="0">Q: My password works on the HP website but not in the app.</strong></p> <p data-path-to-node="21"><strong data-path-to-node="21" data-index-in-node="59">A:</strong> This indicates a <strong data-path-to-node="21" data-index-in-node="79">Token Sync Issue</strong>. Uninstall the app, restart your device, and reinstall the 2026 version of the HP App. If it still fails, call <strong data-path-to-node="21" data-index-in-node="207">+1-855-508-8955</strong> to clear your account "Heartbeat" history.</p> <p data-path-to-node="22"><strong data-path-to-node="22" data-index-in-node="0">Q: Can I get a refund if I can't log in to my Instant Ink account?</strong></p> <p data-path-to-node="22"><strong data-path-to-node="22" data-index-in-node="67">A:</strong> Yes. If a login loop prevents you from managing your 2026 subscription, you are entitled to a refund for that billing cycle. Contact the billing specialists at <strong data-path-to-node="22" data-index-in-node="230">+1-855-508-8955</strong>.</p> <p data-path-to-node="23"><strong data-path-to-node="23" data-index-in-node="0">Q: How do I reset my HP account if I lost access to my email?</strong></p> <p data-path-to-node="23"><strong data-path-to-node="23" data-index-in-node="62">A:</strong> For security reasons, you must provide the printer's <strong data-path-to-node="23" data-index-in-node="118">Serial Number</strong> to verify ownership. A support agent at <strong data-path-to-node="23" data-index-in-node="172">+1-855-508-8955</strong> can then assist in migrating your hardware to a new 2026 email address.</p>