Many vendors provide an option in their Android user interface to use SD card to update software/firmware.Copy the file to micro SD card in root directory.
![teclado samsung apk 4.4.2 teclado samsung apk 4.4.2](https://www.apkmirror.com/wp-content/uploads/2016/05/5744dbb32f537-384x384.png)
Make sure the file you use must be named as update.zip so rename it accordingly if needed.
TECLADO SAMSUNG APK 4.4.2 ZIP FILE
If it does, extract the file and use the residing zip file instead of the one you downloaded. WinZip or WinRAR and verify that it does not contain another zip file within. You must open the file in an archive reader e.g. Note: The file you download may have custom name such as xyz.zip. zip but must be checked before proceeding. The firmware image or ROM file might be in any archive format such as. It could be TCard or TF Card as well depending upon vendor.