The problem is, Windows RT is a poorly ported for system, before Microsoft realized it can merge the kernels for Windows RT, Windows Phone & the old Windows Mobile under Windows Mobile 10. One that I can prompt with (hold down vol+, press power button, let go off vol+ when on UEFI). Then I'll worry about getting a UEFI there. This will keep windows bootable & get rid of the UEFI. So I've thought of deleting the UEFI partition, merging it with the windows install (C:) & then moving the physical location of C: to beginning of where the UEFI partition used to be. I've gathered that it is part of the firmware upgrade, as it upgraded from Windows 8 RT to Windows 8.1 RT long ago. No prompts or anything at all, just goes on to boot Windows. I've tried (hold down vol+, press power button, let go off vol+ when on UEFI) or just leaving it as is.

I've tried even booting to a USB recovery drive created within the windows installation of the device, to no avail. I've inherited a Surface 2 & it's UEFI would not let me boot to any other means other than the internal drive.

Partition tool