The Korean certificate shows that the feature phone will come with a 5W charging speed. This is the general charging speed of any feature phone, so nothing to be surprised about.
Back to the FCC listing, it reveals a diagram showing the battery location (see above). Other than this, the certificate fails to reveal any more details. There’s a good chance that the company will debut this feature phone in multiple countries. That’s all pretty much details we now, but we expect more details to surface online in the coming days.
[source]
