<div layer1="text-s"></div><div class="tz-paragraph">E3厂家升级导航地图已无望，想从网上下载地图包自己升级，可是需要8G的内存。E3的内存只有4G，如何升级到8G或者是16G的内存呢？求指点！先谢了</div><div layer1="text-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g1/M06/43/9A/userphotos/2019/07/26/21/500_ChcCQ107BNKASQe0AADAmJG5QEY696.jpg" style="height:418px;width:429px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g29/M06/53/A9/userphotos/2019/07/26/21/500_ChsEfl07BNKAcHN9AAGEr2RdyWo847.jpg" style="height:435px;width:700px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g3/M09/4D/F0/userphotos/2019/07/26/21/500_ChsEm107BNKAD_9uAAG12q-mpMk646.jpg" style="height:450px;width:700px"  /></div><div layer1="img-e"></div><br />