Huawei Mate 20 Dual-Card Dual-Pass For The First Time Leaked

In this leaked product PPT photo, a comparative analysis of Huawei Mate 20 and another mobile phone is described, which is related to dual-card dual-standby. The left side of the picture is a schematic diagram of Huawei Mate 20 dual-card dual-pass. The right side is divided into two parts. The first part explains the current pain point of dual-card dual-standby, that is, when the call is over, another card call will be missed, in the game, another card call will be Drop the game. The second part is the comparison of the experience of the above two pain points. Huawei Mate 20 compares with another company’s mobile phone products. Mate20 can do the non-missing calls and call-to-call games to continue playing, but this phone can’t.

Obviously, this is the real rumor that the Huawei Mate 20 mobile phone supports dual-card dual-standby dual VoLTE.

What is Dual Card Dual Standby Dual Pass?

At the Apple New Product Launch Conference on the morning of September 13, Apple introduced three new iPhone Xs, iPhone Xs Max, and iPhone XR, and the 512GB version of the iPhone Xs Max. The price of China is as high as 12,799 yuan, making it the most expensive in history. A new generation of iPhone. In addition to the higher and higher selling price, another point of the conference is that the iPhone finally supports dual card dual standby.

Although the iPhone supports dual-card dual-standby is a hot topic, but this feature is already familiar to Chinese consumers. Dual-card dual-standby mobile phones have become popular in China more than a decade ago. Dual-card dual-standby has become a necessity for many people. However, for the iPhone to support dual card dual standby, there is still a place to pay attention to, that is, Apple iPhone XS Max is currently only dual card dual standby single pass.

In fact, the dual card dual standby single pass and the dual card dual standby dual pass are corresponding. Dual-card dual-standby dual-pass can also be understood as dual-card dual-standby dual VoLTE, which we said before. To put it simply, if it is a dual-card-dual-standby single-pass mobile phone, after inserting two SIM cards A and B into the mobile phone, when the A card is in the call, if someone calls the B card, the user will be unable to connect or not serve. Zone, when the A card call ends, the system does not display the missed call alert of the B card. At the same time, since the dual card dual standby mobile phone needs to manually designate a SIM card for networking function (assumed to be A), the networking function of the A card will also be blocked when the B card is called.

The dual card dual standby dual-pass mobile phone, when a card calls, another card will hear the prompt if there is an incoming call, the user can choose to answer or hang up, if not answered, the missed call will be displayed after the end; Under the circumstance, if one card is used for online games and another card is suddenly called, the game will not be disconnected.

What is the Difficulty of Dual-Card Dual VoLTE Dual-Link?

As far as the current mobile phone design is concerned, the biggest difficulty in achieving dual-card dual-standby dual-pass is the RF antenna. Usually, there is only one set of RF units (including baseband and antenna) built in the dual-card dual-standby “single-pass” mobile phone. One set of RF units can only be responsible for one call, so one card will appear and the other card signal will be blocked. Happening. The “double-pass” mobile phone often needs 2 sets of RF units to be responsible for the network of 2 cards. This can solve the problem of single-pass, but the new antenna needs enough space. Now the mature internal solution of the mobile phone is difficult to meet this demand. After all, 3G and 4G are very complicated in various frequency bands and formats, and there will be 5G in the future. The requirements for antennas will further increase. From the perspective of design difficulty and cost, dual-card dual VoLTE dual-pass is now available. High technical threshold, at present, according to Xiaobian, only Huawei can do it.

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Of course, for Huawei, which is known for its communication capabilities, it is not particularly surprising to implement dual-card dual VoLTE dual-pass on the new Huawei Mate 20. On the previous generation of Mate10 Pro phones, Huawei achieved the industry’s first support for 4.5G Cat.18 with a downlink speed of up to 1.2Gbps. Huawei, which has been deeply engaged in communication, has maintained a leading position in this field through years of technical accumulation and R&D investment. Compared with other mobile phone brands, communication capabilities are enough to become the general advantage of Huawei’s moat.

Huawei Mate 20 Was Leaked: Dual-Card Dual-Pass “Black Technology” Surfaced

After Apple’s press conference, Huawei’s consumer business CEO Yu Chengdong released Weibo, saying that “stable, we met in London on October 16th”, “stable”, caused many peoples to discuss, in fact, Huawei is The embodiment of the advantages of technology research and development, after all, to do dual-card dual VoLTE dual-pass, not enough technology accumulation is not acceptable. We may also wish to see how it will be presented on the Huawei Mate 20 released on October 16th.