More chips on the back side of the logic board. Show us your identification, please...

Toshiba TSB3243VC0428CHNA1 64 GB flash storage

Intel PMB9955 (likely the XMM7560 LTE Advanced Pro 4G LTE baseband processor), PMB5762 RF transceiver, and PMB5829

Apple 338S00383-A0, 338S00375-A1 power management IC's (possibly from Dialog Systems)

Texas Instruments SN2600B1 battery charging IC

Apple/Cirrus Logic 338S00248 audio codec

Skyworks SKY13768 front end module

Broadcom BCM59355A2IUB4G (likely a variation of the BCM59350 wireless power receiver chip)