Straight Posture－Healthy Spine
v4.0.2 · 30.6 MB · code 67
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File information
UpdatedMar 16, 2025
PublishedFeb 13, 2025
Packagemelstudio.mback
Versionv4.0.2 (67)
Size30.6 MB
MD59930fae6422151d996fcad40e74b0ee8
Min SDK23
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA17C:49:CA:48:98:6E:10:B2:00:4D:DB:9A:84:1D:8E:F2:03:96:48:08
SignerCN=Alexsander Gorsky, O=mEL Studio, L=Moscow, C=RU
Total downloads1,000,000
This version1,000,000
DevelopermEL Studio
Age ratingEveryone
What's new in v4.0.2
We've completely redone the instructions and commentary for the back health exercises and made them more detailed and understandable
We optimized the app, now it works faster
We have corrected some errors
We optimized the app, now it works faster
We have corrected some errors
Security scan
TRUSTED
- Developer signature verified 2025-03-16
- Signature SHA1 7C:49:CA:48:98:6E:10:B2:00:4D:DB:9A:84:1D:8E:F2:03:96:48:08
- File MD5 9930fae6422151d996fcad40e74b0ee8
How to install Straight Posture－Healthy Spine v4.0.2 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 30.6 MB of free storage.
- Grab melstudio.mback_67.apk — hit the Download button above (30.6 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 9930fae6422151d9…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find melstudio.mback_67.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=Alexsander Gorsky, O=mEL Studio, L=Moscow, C=RU. 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 Straight Posture－Healthy Spine — tap Open on the install screen, or find the Straight Posture－Healthy Spine icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Straight Posture－Healthy Spine
- "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 6.0 Marshmallow 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-v7a/arm64-v8a native code. Devices with a different CPU will reject it.