Identify Whether the Camera or the QR Content Failed
A Ledger Live Android QR scanner camera permission problem can prevent the preview from opening. Ledger Wallet is the current app name. An available preview that cannot read one code is a different issue from Android refusing camera access entirely.
Start by identifying the chosen scanner: a receiving-address QR, an account-transfer code and another supported connection code can contain different data. The scanner must be used for the type of content the current screen expects.
Check the Ledger App’s Camera Permission
Open Android’s application information for the verified Ledger app and inspect Camera access. Google’s permission instructions explain how to change an individual app’s access. Choose the relevant foreground option offered by the phone rather than granting unrelated permissions.
If you previously declined the request, return to the intended scanner after updating the setting. A repeated tap inside the app may not reproduce the original system dialog in every configuration. Do not reinstall immediately just to reset that prompt.
Distinguish an App Grant From a System Camera Control
Some Android versions provide a system-wide camera privacy control as well as per-app permission. Inspect the control actually available on your phone. An app can have permission recorded while a broader camera restriction still prevents a usable preview.
Google’s privacy dashboard guidance helps review camera access. On managed phones, a policy can impose a separate restriction. Ask the policy owner about that specific condition instead of disabling device security.
When the Preview Opens but the Code Will Not Scan
Improve ordinary viewing conditions: clean the lens, avoid glare, keep the full code visible and adjust distance so focus settles. If the code is displayed on another screen, check that it is not cropped or obscured by overlays.
Then confirm the format and intended workflow. A scanner asking for account-transfer information need not accept an arbitrary website code. A valid address QR for another network can still be inappropriate for the transaction being prepared.
Verify the Result Before Using It
A successful scan only means the app decoded content. Review the destination, network, asset and amount before continuing. For a transfer requiring hardware confirmation, compare the relevant details on the Ledger display rather than trusting the camera result alone.
Never point the camera at a written recovery phrase to import accounts or fix permission. Do not paste a private account-transfer code into an unknown online QR decoder. Such content can expose account information even when it does not contain a signing key.
If another ordinary camera application also fails, report the wider scope. If only the wallet’s scanner fails while the camera works elsewhere, report that narrower result. A camera working in another app does not automatically grant Ledger Wallet access, but the comparison can prevent an app-specific permission issue being mistaken for a broken lens.
Android Scanner Questions
Why is the scanner preview black?
Permission, system camera access, another camera session or a rendering fault can require different checks. Compare the camera’s ordinary operation and preserve the exact app behavior instead of declaring the hardware broken from one screen.
Will camera permission repair Bluetooth?
No. Nearby-device discovery and USB authorization have separate purposes. Give the app camera access for the chosen scanner, not as a blanket connection remedy.
Should I restart if the scanner freezes?
For an idle ordinary session, normal app or phone restart can be a later comparison. Preserve any pending transaction reference first, and never interrupt a progressing Ledger OS installation to perform it.
Keep the app maintained through the official Google Play listing. If the issue persists, report phone and Android versions, app release, permission state and whether the preview or only a particular QR type fails.