Skip to content
LMC Camera download referenceExact package names · XML configs · Practical setup helpR18F1R17XML configs

LMC App Not Installed

If Android refuses an LMC APK, preserve the working setup first. Package identity and signing identity matter to Android application installation, so replacing or updating an existing app is a different case from installing a separate package variant.

Before removing anything

Identify the file and existing app

  1. Confirm the exact LMC filename and package ID on the release page.
  2. Check whether an installed camera app already uses that same package identity.
  3. If you are trying to update an existing package, remember that Android can reject an update when the signing identity does not match the installed app.
  4. Keep any working APK/config details recorded before uninstalling or replacing an app.
Do not bypass security warnings blindly: if Android or Play Protect displays a warning, read it and verify the file/origin. This site does not advise disabling Play Protect.

Controlled checks

Separate identity, file and Android checks

Existing package conflict

Two APKs with the same Android package ID target the same installed-app identity. A different recorded package identity may install separately, but that is not a compatibility guarantee.

Update signature mismatch

If an APK is intended to replace an installed app but uses a different signing identity, Android can refuse the update. This site has not independently measured the signing identities of the listed binaries.

Incomplete or changed file

Re-check the exact filename and download origin. File hashes and sizes are shown only when independently measured; absent verification should remain unknown rather than assumed.

Android security prompt

Follow the device’s normal installation/security flow and investigate warnings rather than switching protections off as a generic fix.

See the package-choice guide · R18F1 package list · R17 package list

Content review: 25 September 2026. Binary signing, integrity and malware status remain unverified unless the exact file has separate evidence.