Need rca remote control codes for model # rcr003rwd to control A seiki tv & Roku also

in the link

https://codesforuniversalremotes.com/remote-control-codes-for-seiki-tvs/

However, it is better to buy a remote for the television model you have, a facsimile remote

https://www.fixya.com/support/r29872378-universal_remotes_no_facsimile_remote

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You should have bought a remote that was made for your television. They are $20 and called Facsimile Remotes. No programming and an exact copy of the original. Universal Remotes are so 1980 :>D
Remote Control Codes For SEIKI TVs
SEIKI TV 3 digit remote codes: 564 627 000 505 ; SEIKI TV 4 digit remote codes: 4635 3953 4794 4346 ; SEIKI TV 5 digit remote codes: 12964 13559 13560 10178

SEIKI Remote Controls for which device type?


https://www.replacementremotes.com >
SEIKI Replacement Remotes.com offers SEIKI remote controls for sale online including remote controls for TV, Blu-Ray DVD Player, TV/DVD Combo and many more.

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3, 4, and 5 digit codes. Better to buy a copy remote for the Seiki make and model.

Remote Control Codes For SEIKI TVs

https://codesforuniversalremotes.com > remote-control-...
Looking for SEIKI TV remote codes? I'm trying to set up my cable/satellite/universal remote to work with my SEIKI television. What is the manufacturer's ...

SEIKI TV's Universal Remote Codes & Program Instructions

https://universalremote.codes > seiki-tvs
Jan. 22, 2021 - SEIKI TV 5 Digit Universal Remote Codes List. 12964, 13559, 13560, 10178, 13953, 11864 · SEIKI TV 4 Digit Universal Remote Codes List. 4635, 3953 ...

Remote Control Codes For ROKU TVs with setup instructions

www.directutor.com > content > remote-control-codes-r...

Roku remotes simple interface revolutionize your TV, adjust the volume, mute, control your streaming with one roku remote and voice search ... Instructions for Roku TV remote code programing using Universal Remote. ... Cable Provider: ONN. GE Universal Remote Model 24922: 2891
Remote Brand: Remote Codes for TCL Roku TV ...
ONN: 3851
RCA/Voxx: 12434,387, 12049

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Try this or select

Remote Control Code Lookup - DirecTV

https://www.directv.com/DTVAPP/content/remote_codes2

RCA remote control have no set-up code to Seiki brand devices. To select a proper universal remote control, you should know about the number of digits to its set-up codes. There are 3 digit, 4 digit, 5 digit, 2 digit and even single digit codes, to some brand devices. After confirming this, check the sites linked here. Both the sites have set-up code list and set-up procedure to many popular brand remote controls. Check which brand remote control has set-up code/s to your device brand, and buy that one according to availability? Brand name of the remote control isn't a matter, but it should have set-up codes in its code list, to the device brand you have.
Please note: Every new universal remote control will have set-up code list, and set-up procedure along with its pack. Never accept a remote control, that hasn't both of this. For more details about the set-up codes, visit the site http://electrohelponline.blogspot.com/ Check this site too. http://remotesearch.blogspot.com/ Universal remote controls are available at most of the electronic spare part selling shops. Visit some online sites too, which deals with electronic spare parts.

For a Cablevision cable Provider the remote controller Model Number is UR2-CBL-CV04 and its remote device unique codes for Roku TV become 031, 081. To get a Charter Cable Provider the remote control Model Number is usually UR4U-MDVR-CHD2 and its remote control codes for Roku TV be 11756, 11602. The user on find their respective remote controller code, have to activate their Roku account using enter Roku activate code to get started on streaming their recommended shows.
For a new Cox Communications Cable Provider the remote control Model Number is URC-8820-MOTO and its remote control codes for Roku TV be 1756, 2360. For the DirecTV Cable Provider the particular remote control Model Number will be RC65 and its remote control codes for Roku TV be 11756, 10818. For a Dish Network Cable provider the handheld remote control Model Number is 21.1 IR/UHF and its remote control codes for Roku TV be 535, 556.
The ONN Cable Supplier the remote control Type Number is ONA12AV058 in addition to its remote control rules for Roku TV are 3851, 3201. Once the consumers remote controller are programmed with the respective codes then the user also have to activate their Roku accounts using enter Roku activate code to start out enjoying their preferred streams.
Hope you find your own appropriate code for your cable providers. For any help on adding the RCA Roku TV codes call our technical support staff members through toll-free numbers +1-855-804-1313 or visit them at roku.com/link

You should look up that code in the manual of your RCA remote.

Seiki doesn't appear in the manual? You should follow the procedure indicated when a device is not listed with code.

You don't have a manual for your RCA remote? Please indicate the MODEL of your remote so someone might look it up on line.

Actually, if you input terma RCA, the model and MANUAL probably you can find it yourself.