mercredi 30 mars 2016

Indian Moto E (2nd Gen)LTE Dual Sim Variant, Marshmallow OTA, One sim doesn't connect

Hi all, I recently got a weird and strange issue out of the blue 2 days ago. No update/changes made just before issue, no playstore update done too for at least 4 days before issue popped up.

Sim Slot 1: Airtel 4G
Sim Slot 2: Idea GSM
Android Version: 6.0 (Moto's OTA official release)
Baseband Version: M8916_2020629.41.03.21.51R SURNIA_EMEA_DSDS_CUST
Kernel Version: 3.10.49-g4979ca4 hudsoncm@ilclbld26 #1
System Version: 24.51.39_SURNIA_retasia_ds.retasia all.en.03 retin
Build Number: MPI24.65-39
Unrooted and Locked bootloader

Issue: 1 SIM doesn't connect to network

1. Airtel was receiving 4G signals without any problem for weeks, however 3 weeks ago, it showed only "H" which is fine with me and working decently well.
2. Was watching a YouTube video, the Airtel network on SIM Slot 1 goes off. Searched for network, gets message "Error while searching for network", Idea on SIM Slot 2 works fine.
3. Airtel SIM is fine, both SIM Slots on Moto E2 are fine. Tested different combinations with my other SIMs and handsets.
4. Did airplane mode few times, no go, did radio turn off and on in *#*#4636#*#* . Gets lag there. Turns off on touchwiz but inside 4636 still shows on button to turn " off" radio, also selected LTE/GSM(PRL) in preferred network ther.

Played a little and found 2 temporary workarounds.

Workaround 1 : (Fixes problem for 5 minutes or so)

Disable SIM in Slot 1, Switch mobile data to Slot 2, enable SIM in Slot 1, gets network, switch mobile data to Slot 1, gets "H"... Slot 1 at "4G recommended" by default, 5 minutes later, network goes off. Search for network, mostly get "Error searching for network", randomly, Slot 1 detects Airtel network, when connected, says " SIM doesn't allow connection to this network", back to square one...

Workaround 2: (Has been fine for past half hour while I am typing the issue here using the problematic connection)

Set Slot 1 to 3G as soon as it gets working network with working 3G, after doing exact same steps as in Workaround 1.

To be noted: 4G/3G Airtel Network is fine in area, Airtel SIM is fine, SIM Slots are fine, other Idea SIM in Slot 2 doesn't show any problem at all and connects to internet too just fine on EDGE ( as it's a 3 yr old sim) , numerous restarts done, app cache cleared.

I am a Noobie, so please bear with me, I posted all the relevant details I could think of, as detailed as possible. Phone is 2 months old only, came with lollipop, upgraded to marshmallow through Moto's OTA update, never rooted or played around with ever.

This is driving me crazy, I could logically only think of some problem in the OS causing this issue without any warning or apparent reason... :( Tried different forums, no one posted about facing similar issue in India anywhere yet.


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