1. There is an industry drive to make phones thinner, and one way to do that is to minimize the casing that a battery requires.
2. Waterproofing is a desirable feature, which is much harder to do when you have an accessible battery, especially in conjunction with 1.
3. Very few customers ever replace their battery.
4. Phones held together with adhesive and made from glass/metal feel and look better than plastic that snaps together. When marketing a premium product it has to look and feel premium.
1. There is an industry drive to make phones thinner, and one way to do that is to minimize the casing that a battery requires.
2. Waterproofing is a desirable feature, which is much harder to do when you have an accessible battery, especially in conjunction with 1.
3. Very few customers ever replace their battery.
4. Phones held together with adhesive and made from glass/metal feel and look better than plastic that snaps together. When marketing a premium product it has to look and feel premium.