From Dorsey – the sections fit well with the units already posted.
A. Samuel’s birth and lifelong dedication to Yahweh (1:1-2:11)
B. Eli’s wicked sons show contempt for Yahweh at the Tabernacle (2:12-26)
C. prophecy that Eli’s sons will be killed on one day (2:27-3:1a)
D. Samuel’s Call (3:1b – 4:1a)
C’. Eli’s sons die on one day (4:1b-22)
B’. Philistines show respect for the Ark of the Covenant (5:1-7:1)
A’. Samuel’s lifelong rule over Israel (7:2-17)