Let us settle something first: needing bigger text is not a "you" problem. Phones ship with text sized for showroom shelves, not for actual humans reading actual things. Squinting at the news every morning is a settings problem, and settings problems take one minute to fix.
On an iPhone: open Settings, tap Display & Brightness, then Text Size, and drag the slider to the right until the sample text looks comfortable. While you are there, flip on Bold Text — it makes everything easier to read at a glance. If you want even larger sizes, go to Settings → Accessibility → Display & Text Size → Larger Text, and a bigger slider appears.
On an Android phone: open Settings, tap Display, then Font size (on Samsung it is "Font size and style"). Drag the slider, watch the preview, done. Most Androids also have a Display size slider right next to it — that one makes buttons and icons bigger too, which is wonderful for tapping accurately.
Give yourself the upgrade today, then enjoy the small daily luxury of reading your messages from a comfortable distance — no reading glasses scramble, no arm stretched out like you are toasting the phone. You will wonder why you waited.
