With emulator in gsm mode, it fails in changing modem tech to cdma by the console command "modem tech cdma cdma." But the command "modem tech cdma cdma/evdo" works fine.

Should replace techs[nn] with preferred_masks[nn] in [1]. [1] https://github.com/mozilla-b2g/platform_external_qemu/blob/master/telephony/android_modem.c#L196

Comment on attachment 8385174 [details] PR to external/qemu Thank you for catching this.

Comment on attachment 8611119 [details] [diff] [review] A new testcase Review of attachment 8611119 [details] [diff] [review]: ----------------------------------------------------------------- r=me with comments ::: dom/telephony/test/marionette/head.js @@ +1151,5 @@ > */ > > this.gDelay = delay; > this.gWaitForSystemMessage = waitForSystemMessage; > + this.gChangeModemTech = changeModemTech; Please put this line in a proper position. I don't have a strong preference, but insert it between two gWaitFor* is kind of wierd. ::: dom/telephony/test/marionette/test_modem_switch_tech.js @@ +7,5 @@ > +startTest(function() { > + return Promise.resolve() > + > + // "gsm/wcdma" > + .then(() => gChangeModemTech("gsm", "gsm/wcdma")) We can simply have an array for all the [(tech, preference), ...]. Then use a for loop to iterate it.

Ben is actively working on this. Set him as assignee. Thanks, Ben.

Simply rebasing Hsinyi's work

Simply rebasing Hsinyi's work

b2g-ics: https://github.com/mozilla-b2g/platform_external_qemu/commit/9d0e5057ee5404a31ec1bf76131cb11336a7c3b6 b2g-kitkat: https://github.com/mozilla-b2g/platform_external_qemu/commit/4bebbe8d92368befc31e8b4a99da2d29cc26bfbc