Sending messages to iPhone with File attachment

  • I just switched phones and carrier, going from a Huawei P20 to a Samsung S20 FE 5G. I used to be able to easily send PDFs and other files via MMS (as long as the file didn't exceed a certain size).

    Since I changed phone/carrier, I am no longer able to send files to iPhone users. I still have the options to send files to other Android user, but that doesn't seem to be an option with iPhones, which is an absolute deal breaker for me as I rely on it quite a lot for work where everyone but me is using an iPhone.

    Do you know of a work around or way that would allow me to send PDF files via "text message" as I used to? And I of course mean actual files, not links to cloud drive.

    enter image description here

    Thank you for your help!

  • SMS/MMS are both standard protocols that just send text/pictures to other phone numbers. The protocol does neither know the receiver is android or iOS nor does it depend on.
    If you can't send MMS picture this is purely issue with your phone.
    If someone can't receive MMS picture this is purely their problem and cannot solved by anything on your phone.

    Btw MMS do not support file attachments, only audio and images. If you sent PDF via MMS this is non-standard extension (I never seen)

    3GPP Technical Specification TS 26.140 Release V16.1.0 (2020-09)

    Media formats and codecs

    4.1 Plain text
    Unicode (e.g. US-ASCII, ISO-8859-1, UTF-8, Shift_JIS, etc.)

    4.2 Speech
    AMR speech codec
    AMR-WB wideband speech codec

    4.3 Audio
    enhanced aacPlus
    extended AMR-WB
    MPEG-4 AAC

    4.4 Synthetic audio
    Mobile DLS
    Mobile XMF
    G.711 A-law codec

    4.5 Still Image

    4.6 Bitmap graphics

    4.7 Video
    H.264 (AVC)
    H.265 (HEVC)

    4.8 Vector graphics
    SVG Scalable Vector Graphics Tiny 1.1/1.2

    4.9 File Format for video and associated speech/audio media types

    4.10 Media synchronization and presentation format

    4.11 Timed text

    4.12 Digital Rights Management
    DRM 1.0

    4.13 PIM
    vObject Personal Data Interchange

    4.14 Dynamic and Interactive Multimedia Scene (3GPP TS 26.142)
    SVG Tiny 1.2
    DIMS Streams

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