session-android/res/xml-mcc440-mnc20/mms_config.xml

<?xml version="1.0" encoding="utf-8"?>
<mms_config version="4">
    <bool name="enabledMMS">true</bool>
    <int name="maxMessageSize">307200</int>
    <int name="maxImageHeight">1944</int>
    <int name="maxImageWidth">2592</int>
    <int name="defaultSMSMessagesPerThread">10000</int>
    <int name="defaultMMSMessagesPerThread">1000</int>
    <int name="minMessageCountPerThread">10</int>
    <int name="maxMessageCountPerThread">5000</int>
    <int name="recipientLimit">-1</int>
    <bool name="enableSlideDuration">true</bool>
    <int name="maxMessageTextSize">-1</int>
    <bool name="config_cellBroadcastAppLinks">false</bool>
</mms_config>