Know the file before you install
The P77 app download is provided as an Android APK. Tap Download APK to save the official file, then compare its version, size and package details below.
| App brand | P77 |
|---|---|
| Version | 1.4.9 (version code 49) |
| Package name | com.musgoqp.as603 |
| Download size | 20.35 MB (20,351,474 bytes) |
| Declared minimum | Android 7.0 (API 24) |
| File format | Android application package (.apk) |
These details identify the file checked on that date. They are not a guarantee that every Android device is compatible. For the complete SHA-256 value and comparison instructions, use APK verification.
How to install the P77 APK
Use a compatible Android phone with enough free storage for both the downloaded file and installation. A stable Wi-Fi connection can help if mobile data is limited or the download keeps stopping.
- Download the complete file. Tap Download APK once. If the browser asks whether to save the file, review the file name and source before accepting.
- Find the saved APK. Open your browser’s Downloads list or the Downloads folder in your file manager. Wait until the download is complete.
- Review the installer. Open the completed P77 APK and review the installation prompt. If the file or prompt is different from what you expected, pause and compare the package information above.
- Review source permission if requested. Android may ask whether your browser or file manager may install apps. Grant permission only to the source you intend to use, and only after checking the file.
- Install and open. Follow the Android prompt. When installation completes, choose Open or find the installed app on your phone. You can turn off that source’s installation permission afterwards.
- Download P77Save the complete APK.
- Check the fileCompare the version and package.
- Install and openFollow the Android prompts.
Android menus and wording vary by phone.
If Android or Play Protect reports a security warning, do not switch off protection to force installation. Read the message and check the source before continuing.
A successful browser download only means that the file has been saved. Installation is complete when Android confirms it; the app has opened successfully when you can reach its start screen.
Updating an existing installation
Before updating, make sure you can access your existing account and its recovery method. If the app offers an update prompt, read it first. Do not uninstall an existing app simply to try a different file.
- Compare the installed version in Android App info with the version listed here.
- Download only if an update is needed and the package is appropriate for your existing installation.
- Open the completed APK. Android can update an app in place only when the package and signing identity are compatible.
- After installation, open the app and check that you can access the same account.
If Android reports a conflict, stop and use the update conflict checks. Installing the same version again does not automatically resolve login or server problems.
If the download or installation fails
Match the next step to what you actually see:
- No file or a paused download: follow download and link troubleshooting.
- A file exists but Android refuses it: follow the installation error guide.
- The app opens but you cannot sign in: use P77 login help.
This APK cannot be installed on iOS. Do not rename its file extension or use a configuration profile to try to turn it into an iPhone app.