Battery Saver Master
v2.0 · 2.9 MB · code 2
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File information
UpdatedOct 20, 2016
PublishedOct 20, 2016
Packagetools.battery.batterydoctor
Versionv2.0 (2)
Size2.9 MB
MD54a82a21fd6dbf6cd3763555d28512c67
Min SDK9
Malware scanTRUSTED
Signature SHA10B:E4:76:45:F3:16:41:7D:D6:84:11:66:51:C3:1E:6C:61:F5:D3:7C
SignerCN=fenge
Total downloads100,000
This version100,000
DeveloperNewRTeam
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2016-10-20
- Scanned for malware 2020-05-28 06:59:09
- Signature SHA1 0B:E4:76:45:F3:16:41:7D:D6:84:11:66:51:C3:1E:6C:61:F5:D3:7C
- File MD5 4a82a21fd6dbf6cd3763555d28512c67
How to install Battery Saver Master v2.0 on Android API 9+
Takes about 2 minutes. You'll need roughly 2.9 MB of free storage.
- Grab tools.battery.batterydoctor_2.apk — hit the Download button above (2.9 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches 4a82a21fd6dbf6cd…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find tools.battery.batterydoctor_2.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=fenge. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Battery Saver Master — tap Open on the install screen, or find the Battery Saver Master icon in your app drawer.
Common install errors for Battery Saver Master
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android API 9 or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.