I use a Nexus 5X. Refurbished for $180 ($270 new) on amazon right now. The picture quality is excellent and for something basic like taking readable pictures of text documents it's perfectly fine. In fact it's pre-pre-descessor was perfectly fine for that task. I was using it extensively for just that purpose.
These expensive phones are luxury devices with almost no added utility. A few milliseconds of delay can make a big difference in how a device feels, and be expensive to get rid off, but they don't fundamentally alter what you can do with the device.
These expensive phones are luxury devices with almost no added utility. A few milliseconds of delay can make a big difference in how a device feels, and be expensive to get rid off, but they don't fundamentally alter what you can do with the device.