Take Black and White Photos. Black and white photography removes distracting colors to help you focus more on form, shape, and texture. Go to Camera > More and select mode. Select one of the following modes based on your subject and scene: Normal: This mode suits all kinds of subjects. Aperture: This mode blurs the background and lends greater 1. Open the settings on the Huawei P20 Pro. 2. Navigate to "Wireless & Networks" If you can now see the entry "Dual Sim" in this menu, then you have the Huawei P20 Pro in which two Sim cards can be used. If you do not see this entry, it is the Single Sim model. You now know how to easily tell whether your Huawei P20 Pro is the Dual-Sim model or Applicable products: HUAWEI P50 Pocket(dual sim card 8gb+256gb(bali-l29c)),HUAWEI Mate Xs(dual sim card 8gb+512gb),HUAWEI Mate 20 X(dual sim card 6gb+128gb),HUAWEI P30(single sim card 6gb+128gb、dual sim card 6gb+128gb、dual sim card 8gb+128gb),HUAWEI P30 Pro(single sim card 8gb+256gb、dual sim card 8gb+512gb、single sim card 6gb+128gb、dual sim card 6gb+128gb、dual sim Things I've checked: a) APN - It's correctly setup b) Network Settings - Everything is enabled, and I've reset it multiple times. Unrestricted Data access for all apps. c) Battery Settings - Everything is managed automatically, I'm not in power save nor ultra power saving mode. Mobile Data is kept on while screen is off. On the Mate 20 and Mate 20 Pro, the NM Card goes in one of the slots on the dual-SIM tray, with users having to choose between extra storage or a second SIM card.
Thread Details - HUAWEI Community. There might be a network problem, please try again. I bought my P3o Pro yesterday, unfortunately, my 2nd sim is not being detected. I did not buy my phone from a mobile provider or a Huawei store. I have tried the following:1. Different sim2. RestartBut they have all failed. Please help.
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huawei mate 20 pro dual sim not working