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读者yungtay83遇到了一个问题:新买的Note 4公开版,卡1安装了移动4G数据卡(用于上网),卡2安装了普通SIM卡(用于通话)。问题来了,当卡2来电时卡1就断网,严重影响了使用体验。难道这是Note 4公开版的硬件缺陷?别误会,上述问题其实是很多双卡双待手机的“通病”(图1),而引发的原因源于Note 4公开版仅支持双卡双待“单通”。双卡双待手机的“单通”与“双通”问题由来已久,
Readers yungtay83 encountered a problem: the new Note 4 to buy a new version of the card installed a mobile 4G data card (for Internet access), card 2 installed a normal SIM card (for calls). The problem came, when the card 2 calls off on the card 1, seriously affecting the user experience. Is this a Note 4 public version of the hardware defects? Do not misunderstand, the above problem is actually a lot of dual SIM dual standby mobile phone “common problem” (Figure 1), and the cause of the reason Note 4 public version only supports dual card dual To be “single pass ”. Dual SIM dual standby mobile phone “single pass ” and “double pass ” the problem for a long time,