手机开的4g一回家就变成了2g或者是gprs这是怎么回事 为什么手机4G信号突然变成2G信号了？
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应该是4G网络在做调整
绛旓細4g鎵嬫満鏄剧ず2g缃戠粶鐨勫師鍥犲彲鑳藉寘鎷細1. 淇″彿闂锛氬鏋滄墜鏈烘墍鍦ㄧ殑鍖哄煙淇″彿涓嶇ǔ瀹氥佷俊鍙峰急锛岄偅涔堟墜鏈哄氨浼氳嚜鍔ㄩ檷浣庡埌2G缃戠粶锛屼互淇濊瘉缃戠粶绋冲畾銆傚彲浠ュ皾璇曠Щ鍔ㄥ埌淇″彿瑕嗙洊杈冨ソ鐨勫尯鍩熸垨鑰呭紑鍚琛屾ā寮忓悗閲嶆柊杩炴帴缃戠粶銆2. 鎵嬫満璁剧疆闂锛氬湪鎵嬫満鐨勮缃腑锛屽彲鑳戒細鏈夆滅綉缁滈閫夐」鈥濄佲滅綉缁滄ā寮忊濈瓑閫夐」銆傚鏋滄墜鏈鸿缃簡2G...
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