This is not recommended too much glue, after all, the back cover area is so large, there are some important parts, such as wireless charging, and hollow back cover, so the glue to play more, may run into the inside, thereby causing the risk of other failures, it is recommended that around, there are some flat positions in the middle of the glue, so that it is beautiful and does not affect the functional effect
Too much glue will spill. You need to wipe some off