Remote SD slot
thingiverse
Here's a workaround for the inaccessible SD card at the back - use this cable to connect it. It fits snugly, but adding a few drops of super glue makes all the difference. The fusion file is available if you want to modify it yourself. Check out this adapter on eBay: https://www.ebay.com/itm/TF-Micro-SD-To-SD-Card-Extension-Cable-Adapter-Flexible-Extender-For-Car-GPS-TV/153492570753?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
Download Model from thingiverse
With this file you will be able to print Remote SD slot with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Remote SD slot.