External HDD with Samsung Galaxy Tab 4 using SimulCharge USB: Video
This video shows the LAVA SimulCharge USB Adapter (TL-002) connecting an external USB hard disk drive to a Samsung Galaxy Tab 4.
A major point: the LAVA SimulCharge TL-002 is the ONLY OTG adapter on the market that also provides charging to the tablet and hosted peripherals.
Points to note:
• the hard disk drive you attach to the tablet needs to be formatted as a FAT drive (NTFS, EXT4, and other formats won’t work). This is a characteristic of stock Android and has nothing to do with the TL-002 adapter. (In fact, a rooted tablet can be loaded with software to read other file formats, but that topic is outside this discussion).
• the power required for the external drive needs to be within the USB power budget available for your power adapter and setup. Generally, laptop HDDs (2.5″ drives) will be fine but this setup is less likely to work with devices with demanding power needs (3.5″ drives, RAID arrays, and so forth). Also, if you are attaching numerous USB devices to the setup, things might not work, as the Samsung power adapter has been primarily designed for powering a tablet.
• the tablet DOES NOT NEED TO BE ROOTED to use the TL-002. This is a major bonus for those wanting to work within their tablet’s warranty provisions.
• the TL-002 adapter is intended for Samsung Galaxy Tab 4 / PRO / Note tablets.
• the “tablet charging” icon (a battery with a lightning bolt) is more properly seen as a “tablet is receiving external power” icon. In the most simple situation–the tablet alone attached to wall power using its power adapter–the tablet will be receiving enough power to also increase the battery’s charge. In other situations, such as when another power draw is added to the mix (an external HDD in this case), the total power getting to the tablet might not be sufficient to add charge to the battery, even though power is being fed to the tablet. In these cases, the power draw of the tablet will be greater than the power being added to the tablet, and so the tablet will slowly discharge–even though the tablet’s power icon shows a lightning bolt.
This adapter provides a simple way — in fact the only way — to attach a USB HDD to a Samsung Tab 4/Pro/S/Note, and at the same time makes it possible to charge the battery or run the tablet on wall power using the Samsung power adapter supplied with your tablet.
This diagram shows the very simple setup involved.