Roku Device Features, Settings & Updates

Help configuring Roku device settings, using Roku OS features such as screen mirroring, adjusting display type and audio settings, using Guest Mode, and assistance with software updates.
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maxproandu
Level 9

SERIAL NUMBER STARTS C5

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We received a fairly beat-up Roku without any accessories so there's currently no way to power it up.

All the numbers on the bottom are mostly missing, although we can make out the first four digits of the serial number: C537. Being that there's not an official post that covers all the S/N-to-Model-Numbers it's a real struggle to figure out what this truly is.

By the looks of it, we'd say it's more-than-likely a 3710X. Is there anyway to possibly confirm this?

BTW, if we could compile one, would you like to see a list of S/N-to-Model-Numbers?

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maxproandu
Level 9

SERIAL NUMBER STARTS C5

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Took a while to straighten this little guy out.

It was taking power, but there was no HDMI signal out and we don't have a 3.5mm AV cable to test that port. 

It looked as if the "fairly beat up" bottom had come from whatever adhesive(s) have been used to mount it (a number of times) and that it's been "scraped" clean, maybe more than once. We cleaned the complete unit, including ports, with electronic parts solvent hoping to receive an output from the HDMI port, but with no luck. Then yesterday, once we ordered a 3.5mm AV cable for further testing, our luck changed.

After chasing our tails on-and-off over the week, it turned out we were using a bad HDMI cable the whole time.  :-(

It's a little newer than the believed 3710X. S/N C5 belongs to a 3910X, so it's only about 3-years old. It works well considering it was only $5.

In our research we compiled a list of two-digit serial-to-model numbers that cover known Roku boxes, excluding TVs and sound bars. We'll post it here shortly.

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4 Replies
renojim
Level 21

Re: SERIAL NUMBER STARTS C5

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I used to log serial numbers in one of my channels and I've never seen one that starts with C5.  If it has a micro-USB input on it, just plug it into a USB power adapter and see what happens.

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makaiguy
Level 20

Re: SERIAL NUMBER STARTS C5

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If it's "fairly beat up" it may well be an old model that no longer receives updates and doesn't include some of the enhancements added in later units and that many modern channel apps won't run without.
  • Roku Streaming Stick +, 3810X, Ser YH0059427035, wifi - Samsung UN55ES6100
  • Roku Streaming Stick, 3600X, Ser 5S56D8240827, wifi - JVC EM37T
  • TCL Roku TV 43S425/C107X, Ser X000001R60KV, wifi
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maxproandu
Level 9

SERIAL NUMBER STARTS C5

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Looks as if the "fairly beat up" bottom has come from what ever adhesive(s) have been used to mount it (a number of times) and that it's been "scraped" clean, maybe mor than once.

It's taking power, but there's no HDMI signal out and we don't have a 3.5mm AV cable to test that port. We'll post what we find once we accomplish an output.

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maxproandu
Level 9

SERIAL NUMBER STARTS C5

Jump to solution

Took a while to straighten this little guy out.

It was taking power, but there was no HDMI signal out and we don't have a 3.5mm AV cable to test that port. 

It looked as if the "fairly beat up" bottom had come from whatever adhesive(s) have been used to mount it (a number of times) and that it's been "scraped" clean, maybe more than once. We cleaned the complete unit, including ports, with electronic parts solvent hoping to receive an output from the HDMI port, but with no luck. Then yesterday, once we ordered a 3.5mm AV cable for further testing, our luck changed.

After chasing our tails on-and-off over the week, it turned out we were using a bad HDMI cable the whole time.  :-(

It's a little newer than the believed 3710X. S/N C5 belongs to a 3910X, so it's only about 3-years old. It works well considering it was only $5.

In our research we compiled a list of two-digit serial-to-model numbers that cover known Roku boxes, excluding TVs and sound bars. We'll post it here shortly.

View solution in original post

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