Battery Saver Master v2.0
APK · 2.9 MB · version code 2 · Android 2.3+ · uploaded Oct 20, 2016
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File information
- Version
- v2.0 (2)
- Uploaded
- Oct 20, 2016
- Size
- 2.9 MB
- Requires
- Android 2.3+ (API 9)
- CPU support
- Any (no native code)
- Screen
- Small screens and larger
- MD5
- 4a82a21fd6dbf6cd3763555d28512c67
- Signing certificate (SHA-1)
- 0B:E4:76:45:F3:16:41:7D:D6:84:11:66:51:C3:1E:6C:61:F5:D3:7C
- Signed by
- CN=fenge
- File name
- tools-battery-batterydoctor-2-21409405-4a82a21fd6dbf6cd3763555d28512c67.apk
- Package
- tools.battery.batterydoctor
- Downloads (all versions)
- 100K+
- Age rating
- PEGI 3 · Everyone
Permissions (30)
This version requests 30 permissions, 7 of them sensitive.
- Camera Sensitive android.permission.CAMERA
- Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Write settings Sensitive android.permission.WRITE_SETTINGS
- Add home-screen shortcuts com.android.launcher.permission.INSTALL_SHORTCUT
- Battery stats android.permission.BATTERY_STATS
- Bluetooth android.permission.BLUETOOTH
- Bluetooth admin android.permission.BLUETOOTH_ADMIN
- Change network state android.permission.CHANGE_NETWORK_STATE
- Change wifi state android.permission.CHANGE_WIFI_STATE
- Control vibration android.permission.VIBRATE
- Disable keyguard android.permission.DISABLE_KEYGUARD
- Flashlight android.permission.FLASHLIGHT
- Full network access android.permission.INTERNET
- Get tasks android.permission.GET_TASKS
- Interact across users full android.permission.INTERACT_ACROSS_USERS_FULL
- Kill background processes android.permission.KILL_BACKGROUND_PROCESSES
- Mount unmount filesystems android.permission.MOUNT_UNMOUNT_FILESYSTEMS
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Read logs android.permission.READ_LOGS
- Read owner data android.permission.READ_OWNER_DATA
- Read sync settings android.permission.READ_SYNC_SETTINGS
- Restart packages android.permission.RESTART_PACKAGES
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
- Write sync settings android.permission.WRITE_SYNC_SETTINGS
Security & authenticity
Security rating: Trusted
Signing certificate
- Certificate issued to “fenge” Not the developer's name (“NewRTeam”). Names in certificates can't be verified, so this alone proves nothing.
Store checks
- Developer signature verified Oct 20, 2016
- Antivirus scan passed May 28, 2020
- Uploaded by “appililition” 2 followers · uploading since 2016
Scans come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself.
How to install Battery Saver Master on Android 2.3+
You'll need about 5.9 MB of free space.
- Download the APK — tap Download APK above (2.9 MB). Chrome shows “File might be harmful” for every APK file; choose Download anyway only if you trust this file.
- Open the file — tap the download notification, or open Files › Downloads and tap tools-battery-batterydoctor-2-21409405-4a82a21fd6dbf6cd3763555d28512c67.apk.
- Allow the install (first time only) — Android 8 and later asks for permission the first time an app opens an APK: tap Settings in the prompt, turn on Allow from this source, then go back. Manual path: Settings › Apps › Special app access › Install unknown apps (on Samsung: Settings › Apps › ⋮ › Special access). On Android 7 and older: Settings › Security › Unknown sources.
- Check the file (optional) — the MD5 of the downloaded file should be 4a82a21fd6dbf6cd3763555d28512c67. If it differs, the file is damaged or was changed: delete it and download again.
- Tap Install — Android asks “Do you want to install this app?”. If Google Play Protect shows a warning, read it before you continue: the source store rated this file Trusted, but only install apps from sources you trust. If an earlier version is installed, this one only installs as an update when it is signed with the same certificate (SHA-1 shown above).
- Open Battery Saver Master — tap Open on the install screen, or find it in your app drawer.
Common install problems
- “App not installed” — a version signed with a different certificate, or a newer version, is already installed (Android doesn't allow downgrades). Uninstall it first; back up your data, because uninstalling deletes it.
- “There was a problem parsing the package” — the file is incomplete, or your Android is too old (this version needs Android 2.3+). Download it again, or pick an older version.
- Blocked by Play Protect — Play Protect checks apps from outside the Play Store. Only continue if you trust the source.