There seem to exist different versions of the phone.
I can insert 2 nano SIM cards in the device but how to activate the second one? There is no enter PIN dialog popping up. On YouTube I saw an unboxing video that showed dual SIM support.
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Use apps from play store like *device info / my device , etc*/ look at your purchase invoice which should have the model number to find out. Please do that first and ask.– beeshyamsCommented Feb 15, 2018 at 5:48
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In this video for example it says SIM2 on the adapter.– Michael S.Commented Feb 15, 2018 at 6:06
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@MichaelS. Can you see two network icons after inserting two sims on sim tray? I think you were doubted about 4G/3G settings on both sim.– Rahul GopiCommented Feb 15, 2018 at 8:18
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@beeshyams: Could you provide a link to the app please?– Michael S.Commented Feb 16, 2018 at 6:32
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1My device. Google on Play store for device lots of other apps– beeshyamsCommented Feb 16, 2018 at 6:38
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1 Answer
Enter download mode by powering down the device and then holding both VOL_DOWN and POWER to power it back up. It will boot to a screen saying hTC download mode.
The 3rd line of the displayed info will say something like htc_oceuhl PVT S-ON. uhl corresponds to the single-SIM variant, dugl is the international dual-SIM variant, and dtwl is the Chinese dual-SIM variant.
You can exit the mode by selecting "reboot" in the download mode menu.
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Any chance to find out in store before buying the next one? Commented Feb 16, 2018 at 6:42
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Ask any store receptionist? You have the rights to know this info as a customer. What I offered is more of a surefire, after-purchase method and would help better in situations like buying a used device.– Andy YanCommented Feb 16, 2018 at 7:56