1125065 - [Flame][Settings]The netwok signal will disappear after you change the CMCC network type to "3G only".

Status: RESOLVED WONTFIX

(Firefox OS Graveyard :: Gaia::Settings, defect)

Description

[Lance（leave from Mozilla）]

Attachment: logcat_1628.txt

[1.Description]:
[Flame 2.1 & 2.2][Settings]After you change the CMCC network type to "3G only", the network signal will disapper, then you can't call number or send message and so on.
Found time:16:28
See attachment:1628.mp4 and logcat_1628.txt

[2.Testing Steps]: 
Premise:You have inserted CMCC sim card in slot 1.
1.Launch Settings.
2.Tap "Cellular & Data" -> "SIM 1" -> "Network operator".
3.Switch the network type to "3G only".

[3.Expected Result]: 
3. After you change the network type, the network signal should display normally.

[4.Actual Result]: 
3. The network signal will disappear, then you can't call number or send message.

[5.Reproduction build]: 
Flame 2.1 version:
Gaia-Rev        2055fc40a8bd2af1908979cb45da6b7d1c4ced0b
Gecko-Rev       https://hg.mozilla.org/releases/mozilla-b2g34_v2_1/rev/38ac70ca969b
Build-ID        20150122001404
Version         34.0
Device-Name     flame
FW-Release      4.4.2
FW-Incremental  eng.cltbld.20150122.034705
FW-Date         Thu Jan 22 03:47:16 EST 2015
Bootloader      L1TC000118D0

Flame 2.2 version:
Gaia-Rev        e4f9b5da3751798f9cc5d95f302c30722cc11fca
Gecko-Rev       https://hg.mozilla.org/releases/mozilla-b2g37_v2_2/rev/4a90da67661e
Build-ID        20150122002808
Version         37.0a2
Device-Name     flame
FW-Release      4.4.2
FW-Incremental  eng.cltbld.20150122.041326
FW-Date         Thu Jan 22 04:13:37 EST 2015
Bootloader      L1TC000118D0

[6.Reproduction Frequency]: 
Always Recurrence,5/5

[7.TCID]: 
Free Test

Comment 1

[Lance（leave from Mozilla）]

Attachment: 1628.MP4

Comment 2

[Eric Chang [:ericcc] [:echang]]

Hi Lance, I suppose the 3G signal was good in that area at that moment, right? Is that happening if you use SIM card from another telecom? Could you also check that on another android phone, thanks.

Comment 3

[Lance（leave from Mozilla）]

(In reply to Eric Chang [:ericcc] [:echang] from comment #2)
> Hi Lance, I suppose the 3G signal was good in that area at that moment,
> right? Is that happening if you use SIM card from another telecom? Could you
> also check that on another android phone, thanks.

Hi Eric,
I have verified this bug on Android device, but it still exsits in some Android device(LG G2, HTC M7, HTC butterfly). After we change these device network type to "WCDMA only", the device will recognise SIM card, then network signal will disappear. But after you changed, Samsung S4 will recognise the SIM card, then the signal is full.

Comment 4

[Eric Chang [:ericcc] [:echang]]

Hi HsinYi, Could you help to check the log, I tried sim from CHT or from TWN, not reproducible, but I wonder if there is any info in the log, thank you.

Comment 5

[Hsin-Yi Tsai (she/her) [:hsinyi]]

(In reply to Eric Chang [:ericcc] [:echang] from comment #4)
> Hi HsinYi, Could you help to check the log, I tried sim from CHT or from
> TWN, not reproducible, but I wonder if there is any info in the log, thank
> you.

Hi Eric and Lance,

Have you tried "3G preferred"? How's the result and log?

According to logcat_1628.txt, the card cannot register a 3G network, but it can register 2g network when user queried "2G only." I am wondering the 3g network coverage there. Also, Was the card accessible to 3g network?
As this issue seemed reproducible on other devices, I tend to reasoning this is a network coverage issue.

Comment 6

[BMO Automation]

Firefox OS is not being worked on