If the store installs but won't download apps, go to Settings > Apps > Google Play Services and clear the cache.
Use the same APK but ensure the architecture is universal (nodpi/noarch). Almost all Play Store versions since 30.x.x support ARM, ARM64, and x86. If the store installs but won't download apps,
When downloading system-level apps like the Play Store, using a trusted repository is essential for security. If the store installs but won't download apps,
Download a version labeled "Lollipop" or "Android 5.0+." If the store installs but won't download apps,
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