Christmas Countdown
v25.3.4 · 24 MB · code 2503040
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File information
UpdatedDec 23, 2025
PublishedJun 16, 2021
Packagecom.syncostyle.onethingchristmas
Versionv25.3.4 (2503040)
Size24 MB
MD5de61dbe4fb2587b0e1dc9ad5893e6890
Min SDK29
Malware scanTRUSTED
Signature SHA152:69:D2:E6:54:72:6B:A9:1A:2C:7B:5B:48:D1:30:58:14:46:0A:21
SignerO=Syncostyle, C=IE
Total downloads1,000,000
This version1,000,000
DeveloperJupli
Age ratingEveryone
What's new in v25.3.4
This version brings a few updates for the Advent Calendar:
- Already got more than 50 points in Sleigh Ride? Try the new Difficulty settings and see how you do!
- The Challenges screen now shows your totals after completing a challenge, so you can see just how many Rainbow Snowflakes you've found!
- Already got more than 50 points in Sleigh Ride? Try the new Difficulty settings and see how you do!
- The Challenges screen now shows your totals after completing a challenge, so you can see just how many Rainbow Snowflakes you've found!
Security scan
TRUSTED
- Developer signature verified 2025-12-23
- Signature SHA1 52:69:D2:E6:54:72:6B:A9:1A:2C:7B:5B:48:D1:30:58:14:46:0A:21
- File MD5 de61dbe4fb2587b0e1dc9ad5893e6890
How to install Christmas Countdown v25.3.4 on Android 10+
Takes about 2 minutes. You'll need roughly 24 MB of free storage.
- Grab com.syncostyle.onethingchristmas_2503040.apk — hit the Download button above (24 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 de61dbe4fb2587b0…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.syncostyle.onethingchristmas_2503040.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 O=Syncostyle, C=IE. 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 Christmas Countdown — tap Open on the install screen, or find the Christmas Countdown icon in your app drawer.
Common install errors for Christmas Countdown
- "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 10 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.