Custom Favicon No Show on Mobile

[PoetsOfPixel]

problem
after replacing all default favicon images in the locals below, the default osclass favicon is still being displayed on my iphone

expected
for custom favicon to appear across all devices after replacing all default images

is there something i'm missing here?  any assistance appreciated!  thx

/public_html/favicon.ico
/public_html/oc-admin/themes/modern/images/favicon-57.png
/public_html/oc-admin/themes/modern/images/favicon-114.png
/public_html/oc-admin/themes/modern/images/favicon-48.png
/public_html/oc-admin/themes/modern/images/favicon-72.png
/public_html/oc-admin/themes/modern/images/favicon-144.png
/public_html/oc-content/themes/bender/favicon
/public_html/oc-content/themes/bender/favicon/favicon-57.png
/public_html/oc-content/themes/bender/favicon/favicon-114.png
/public_html/oc-content/themes/bender/favicon/favicon-48.png
/public_html/oc-content/themes/bender/favicon/favicon.ico
/public_html/oc-content/themes/bender/favicon/favicon-72.png
/public_html/oc-content/themes/bender/favicon/favicon.png
/public_html/oc-content/themes/bender/favicon/favicon-144.png
/public_html/oc-includes/osclass/gui/favicon
/public_html/oc-includes/osclass/gui/favicon/favicon-57.png
/public_html/oc-includes/osclass/gui/favicon/favicon-114.png
/public_html/oc-includes/osclass/gui/favicon/favicon-48.png
/public_html/oc-includes/osclass/gui/favicon/favicon.ico
/public_html/oc-includes/osclass/gui/favicon/favicon-72.png
/public_html/oc-includes/osclass/gui/favicon/favicon.png
/public_html/oc-includes/osclass/gui/favicon/favicon-144.png

[marius-ciclistu]

/public_html/oc-content/themes/bender/* is all that mathers.

You must clear your iPhone's cache.