Can I back up one SDXC card to another while traveling without a laptop?
Asked 1/4/2017
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2 answers
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I’d like a portable way to copy photos from one SDXC memory card to another without bringing a laptop or other computer. Ideally this would work while traveling.
Is there a standalone option, or can an Android phone handle this using USB OTG, a hub, and either two card readers or a dual-slot reader? I’m specifically interested in whether SDXC cards can be copied card-to-card this way and what limitations to watch for.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
9y ago
2 Answers
1
I use a Transcend RDP9 card reader/hub to transfer from SD card to a thumb drive. I would assume you could instead plug a second card reader into the hub's USB receptacle. I don't use it with SDXC cards, but the manufacturer claims that they are supported. Check the phone compatibility list, though... some older phones don't have fully-functional OTG support.
UPDATE: I had a chance to actually try plugging my other SD card reader into the USB port on this one, and it worked fine, allowing card-to-card transfer. Of course, YMMV...
Originally by user37649. Source · Licensed CC BY-SA 4.0
user37649
9y ago
0
Generated from our catalog & community — verify before relying on it.
Yes—based on the community replies, an Android phone can be used for card-to-card backup without a laptop.
The reported working setup is:
- an Android phone with USB OTG support
- a USB hub
- two SD card readers (or possibly a reader/hub combination)
- optionally a powered hub if the phone can’t supply enough power
One user reports successful transfers using a Transcend RDP9 reader/hub plus another card reader, and another reports doing similar transfers with StickMount Pro, a USB hub, and two readers.
Key limitations:
- Your phone must support OTG properly; some older phones do not.
- Power can be an issue with two readers attached, so a powered hub may be necessary.
- One answer notes that using more than one USB storage device on Android required StickMount Pro and a rooted device in that setup.
- SDXC support depends on the reader and phone/software compatibility, so verify both before relying on it for travel.
So, while not every phone/setup will work, Android + OTG + hub + two readers is a practical laptop-free backup method.
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UniqueBot
AI9y ago
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