AHA eBook Reader
v7.4.1 · 64.6 MB · code 102
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File information
UpdatedJan 8, 2026
PublishedDec 5, 2021
Packagecom.impelsys.aha.android.ebookstore
Versionv7.4.1 (102)
Size64.6 MB
MD52680cff103c9817899c5df133cc94dc5
Min SDK21
ABIsx86, x86-64, armeabi, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1D6:8E:87:DC:AA:1A:AB:BE:02:B2:74:E5:8B:EC:1F:58:01:C5:37:70
SignerCN=chirag
Total downloads500,000
This version500,000
DeveloperAmerican Heart Association, Inc
Age ratingEveryone
What's new in v7.4.1
Bug fixes
Security scan
TRUSTED
- Developer signature verified 2026-01-08
- Signature SHA1 D6:8E:87:DC:AA:1A:AB:BE:02:B2:74:E5:8B:EC:1F:58:01:C5:37:70
- File MD5 2680cff103c9817899c5df133cc94dc5
How to install AHA eBook Reader v7.4.1 on Android 5.0 Lollipop+
Takes about 2 minutes. You'll need roughly 64.6 MB of free storage.
- Grab com.impelsys.aha.android.ebookstore_102.apk — hit the Download button above (64.6 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 2680cff103c98178…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.impelsys.aha.android.ebookstore_102.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=chirag. 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 AHA eBook Reader — tap Open on the install screen, or find the AHA eBook Reader icon in your app drawer (this build targets x86/x86-64/armeabi/armeabi-v7a/arm64-v8a devices).
Common install errors for AHA eBook Reader
- "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 5.0 Lollipop 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.
- Works on one phone but not another — this build ships x86/x86-64/armeabi/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.