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[Q & A] RN4 Global 4+64 Sim 2 not detected

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22:16, Dec-02-2017 | From PC
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Hi all.

I bought a new RN4 global 4+64 at Lazada Malaysia on 25/11/2017 and received 28/11/2017. It was a gift for my wife.

However, I am facing sim 2 not detected. Updated to latest MIUI9 global rom, checked the sim card which is functioning in slot 1, but when slot it in slot 2 not detected. Need help urgently, please.
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12:03, Dec-03-2017 | From PC
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Hello,

Does it show No Signal or No SIM Card?


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 Author| 18:32, Dec-03-2017 | From PC
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Showed no sim card for sim 2.

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 Author| 09:42, Dec-08-2017 | From PC
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no suggested solution to this problem..?

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16:35, Dec-09-2017 | From PC
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This post was edited by MaksymRNote4 at 16:41, Dec-09-2017






Ukraine, Redmi Note 4 Global Stable 9.0.5.0
No Service only on second Sim
In the Settings >> SIM cards & mobile networks >> SIM CARD SETTINGS
Only First Sim is visible.

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 Author| 10:11, Dec-11-2017 | From PC
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Mine is totally not detected SIM 2, not even showed no service. SIM card tested ok on other phones.

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 Author| 10:58, Dec-27-2017 | From PC
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Any help or support for this issue..?

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14:41, Jan-04-2018 | From PC
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This post was edited by MaksymRNote4 at 14:43, Jan-04-2018

I found the solution!
The problem, in my case, is standard app "Battery saver".
Settings >> Battery >> Power >> Battery saver:
Battery saver (Monitor background processes and turn off sync) switch to "Off" and all work fine!
Screenshot_2018-01-04-08-34-50-012_com.miui.securitycenter.png

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16:58, Jan-14-2018 | From PC
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After some reboots the problem back.

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03:43, May-22-2018 | From PC
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Hi,

I am also facing the same issue after upgrade of MIUI 9.5.9.0. Sim 2 not detected even it not showing no service. In sim settings also showing as only one sim. Mobile like only one sim phone. Worst upgrade and worst phone.

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