why getActiveSubscriptionInfoList is getting empty for some android 11 devices?

Question

I need to find out device SIM card is present or not(including duel sim devices). So that I have tried Subscription Manager getActiveSubscriptionInfoList API, but it is returning empty for certain android 11 devices.

Information:

Slot 1 has a SIM card
Slot 2 don't have SIM card
Device OS version: Android 11
Device Model Name: RMX3085realme
Network Provider Jio Prepaid

It may help other users if you marked the answer below which mentions that as the answer in that case. — Always Learning, Dec 17 '21 at 04:43
How do we use `getSimState()`? Currently I'm getting the list of SIMs by using `subscriptionManager?.activeSubscriptionInfoList`, how do I port it to TelephonyManager? — Vishnu, Sep 23 '22 at 10:15

score 4 · Answer 1 · answered Nov 19 '21 at 18:24

4

SubscriptionManager#getActiveSubscriptionInfoList() returns the subscription list that is provisioned by a carrier application. If no carrier app has successfully notified Android to an available subscription, then this will return empty irregardless of whether there is a sim card or not.

TelephonyManager#getSimState()(link) is what you want to use if you only want to check if a sim card is present or not as you have stated. As long as TelephonyManager#getSimState() does not return SIM_STATE_ABSENT(link), that would signify a sim card is present.

answered Nov 19 '21 at 18:24

Always Learning

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Since you know the problem, How can we solve Carrier app notification issue? Is there any solution for this. I'm seeing this issue on MIUI devices mostly. – Dipendra Sharma Feb 21 '22 at 11:29
No, there is no way to use carrier controlled APIs unless you have carrier app privileges AFAIK. – Always Learning Feb 22 '22 at 01:06
Let me know if that was what you were referring to, e.g., how to submit subscription info on behalf of the carrier app. If so, then yeah, not possible AFAIK. – Always Learning Feb 22 '22 at 01:08
I understand this. Is there any way to fix this issue? – Dipendra Sharma Feb 22 '22 at 05:18
There's no way to "fix" this issue from my understanding since this is the intended behavior. – Always Learning Feb 22 '22 at 18:55
in some devices not able to get SubscriptionManager.from(mContext).getActiveSubscriptionInfoCount() > 1.is that manufacturing defect or what.. ? – sureshbabu Jun 02 '22 at 14:00
It could be that no subscription exists which could be for a multitude of reasons such as a manufacturing issue but you'll have to debug on a case-by-case basis to confirm. – Always Learning Jun 02 '22 at 18:26

why getActiveSubscriptionInfoList is getting empty for some android 11 devices?

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