Android only installs an update signed by the same key as the version already on your device. This timeline shows every signing key we've seen for Alaap - BTCL Calling App. One known signing key across every release we hold.
2.3.5
Current key1 release · Jul 31, 2026Every key we have ever recorded for Alaap - BTCL Calling App. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
Doctor Appointment, Consultation, Meds, Tests&more · Tools