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v1.3.7 — VoLTE that survives a reboot

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@bkaganovich-stack bkaganovich-stack released this 26 Sep 10:54
· 8 commits to main since this release
v1.3.7
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Learn about vigilant mode.

What's new in v1.3.7

📞 VoLTE now survives a reboot — no Shizuku needed

New per-SIM switch: Keep VoLTE on after reboot (right under Enable VoLTE).

Until now every setting this app made was temporary: Android forgets carrier overrides on every restart, and they only came back once Shizuku was running again. If you rebooted away from your home Wi-Fi, you had no VoLTE until you got back.

This switch uses a different mechanism. It turns on Android's own VoLTE opt-in for the SIM, which Android stores permanently and checks before the carrier settings. VoLTE is available the moment the phone boots — no Shizuku, no Wi-Fi, no need to open the app.

Tested: rebooted a Pixel 10 Pro XL on Android 17 with Wi-Fi off — VoLTE was up on the Russian MTS SIM with Shizuku not running.

Good to know:

  • It covers VoLTE only. VoNR (5G calling), Wi-Fi calling and 5G SA still come from carrier overrides and are restored when Shizuku starts, exactly as before.
  • It is undoable. Before changing anything the app remembers the SIM's original values. Reset all settings puts them back, and never touches a SIM the app did not change.
  • It stays on. If something clears it (another app, a new SIM in the same slot), auto-apply switches it back on the next time it runs. It is only ever turned off by you.

✅ Settings now confirm that they actually applied

Until now the app sent a setting to the system and assumed it worked. Now it checks:

  • Every change is read back from the system after it is written. If it did not take, you get a message saying so instead of a switch that looks on but is not.
  • IMS restarts after your change, not before. Previously a toggle could restart IMS registration while the old settings were still in place, so the network registered with the old configuration. Changes now happen strictly in order: write, confirm, then restart IMS.
  • Auto-apply retries on failure. If restoring your settings after a reboot fails, the app tries again later instead of reporting success. Boot Diagnostics now also shows whether IMS came back after the restart and how long it took.
  • Import tells the truth. Importing a settings file now waits for every SIM and tells you if some settings could not be applied.

Requirements: Shizuku ≥ 13 with Wireless Debugging enabled. No root required. Keep VoLTE on after reboot needs Android 12 or newer.
Settings files exported by older versions import as before.
Signed with the same key as previous releases, so it installs as an update.
Verified on Pixel 10 Pro XL, Android 17 (CP3A.260905.009).

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