[Samsung Galaxy J7 Guides, News, & Discussion] minz1:
Last comment was a mistake; adb error. Here is the actual problem:

{678320} sbl1_ddr_init:: ret[0xffff]
{685884} pm_pon_get_all_pon_reasons pon_reasons = 0x80
{685914} @@ pm power on reason : 0x200000000080
{685945} @@ reset status @SDI : 0x3f730bcf
{685975} @@ reset status @SBL1: 0x0
{686006} pm_driver_init, configuring PMIC to do a DVDD reset
{686494} clock_init, Start
{686646} clock_init, Delta
{686707} boot_fota_restore_partition, Start
{687073} boot_fota_restore_partition, Delta
{851834} boot_fota_close_hdev, Start
{851865} boot_fota_close_hdev, Delta
{851895} Image Load, Start
{852200} SEC Image Loaded, Delta
{852627} pm_pon_get_all_pon_reasons pon_reasons = 0x80
{852749} sbl1_efs_handle_cookies, Start
{852993} sbl1_efs_handle_cookies, Delta
{895358} RPM loading is successful.
{1349625} QSEE Execution, Start
{1349716} QSEE Execution, Delta
{1349747} SBL1, End
Minor socinfo format detected: 0.8
Failed to initialize SCM
init_dbg SEC_DEBUG_BASE_ADDR = 0xafe00000 orig_logmagic 0x4d474f4c
welcome to lk
platform_init()
target_init()
HW REV03 : (0, 0, 1, 1)
check power key with 0xfdea6fe9
Power on reason 0x80
Power on status : 0x80 (Keypad Power on)
Time : 10
irq_status[1]:: Power key Released : [630768060]
Time : 110
irq_status[1]:: Power key Released : [630768060]
sec_init: Start
[MUIC] MUIC initialized !
muic_data_init
muic_driver_init
device type 1 = 0x0
device type 2 = 0x0
MMC_EXT_CSD_RST_N_FUNC: 0x1
SDHC Running in HS200 mode
Done initialization of the card
aboot_init
Neither 'config' nor 'frp' partition found
oem_panel_select:DDI_EA8061
Setting gpio_power : 20, enable = 1
ERROR: splash Partition invalid
[MUIC] control register value : 0x1e
init_muic_ic() done
device type 1 = 0x0
device type 2 = 0x0
[MUIC] muic_get_devices : 0x0000
[MUIC] muic dev id : 0x1
muic_get_device
device type 1 = 0x0
device type 2 = 0x0
get_charger: hw_rev(0x3)
muic_get_charger_status
[battery] cable_type adc (0)
aboot_dev_charging_init : cable_status(0), cable_type(0)
sm5703_get_battery_detect: turn on batt_id fullup
sm5703_get_battery_detect: batt_present(0x83)
sm5703_get_battery_detect: Battery detected
aboot_dev_charging_init, [battery] batt_id_value (0)
sm5703_set_charger_enable: CNTL(0x55)
sm5703_set_charger_enable: charger enable(0x55)
get_charger: hw_rev(0x3)
[battery] external charger init
sm5703_init_charger: sm5703 charger probe start
sm5703_init_charger: fastchg curr(8), vbuslimit curr(18)
muic_get_charger_status
[battery] cable_type adc (0)
sm5703_set_auto_current: get_charger_status(0)
sm5703_set_auto_current: unknown_state, curr(975)
sm5703_set_vbuslimit_current: in curr(0x8)
sm5703_set_charger_current: chg curr(0x11)
muic_get_charger_status
[battery] cable_type adc (0)
get_charger: hw_rev(0x3)
muic_get_charger_status
[battery] cable_type adc (0)
ReadFGRegisterWord: SM5703 FG REG[10]:0x0100
fuel_gauge_reg_init_need:SM5703_REG_FG_OP_STATUS(0x100)
SM5703_REG_PARAM_CTRL || SM5703_FG_PARAM_UNLOCK_CODE
ReadFGRegisterWord: SM5703 FG REG[06]:0x045c
sm5703_fuel_gauge_read_vcell: SM5703_REG_OCV (0x45c)
ReadFGRegisterWord: SM5703 FG REG[07]:0x0458
sm5703_fuel_gauge_read_vcell: vbat result (4343)
muic_get_jig_status
device Config MIPI_VIDEO_PANEL.
type 1 = 0x0
device type 2 = 0x0
ReadFGRegisterWord: SM5703 FG REG[05]:0x6400
sm5703_fuel_gauge_read_soc: soc result (1000)
rb=0 jig=0
v=4343 soc=1000
sec_init: End
lcd manufacture id: 0x400003
Turn on MIPI_VIDEO_PANEL.
Video lane tested successfully
event handler
vibrator timer started
sm5703_set_regulator: LDO2 set [1]
BOOTLOADER VERSION : J700PVPU1APH4
reboot_mode 0xfdea6fe9
Power on reason 0x80
aboot_init: IMEM restart_reason (reboot_mode) = 0xfdea6fe9
aboot_init: Param Partition restart_reason (reboot_mode) = 0x0
PMIC register 0x80C = 0x0
aboot_init: Clear the restart reason from sec param restart_reason = 0x0
DDR manufacture: SAMSUNG
DDR MR8 CS0 = 0x1f CS1 = 0x1f
check_pit_integrity: invalid pit magic code.(0x0)
SECURE : Signature verification...
SECURE : Signature verification succeed
Persistent Blkstart = 5b000
Persistent blknum = 800
challenge_size is 4b 75
init frp lock flag 0x4b and OEM unlock flag 0x1
check_ramdump_mode :: k_param.debuglevel[0x574f4c44]::k_param.cp_debuglevel[0x0]
pmic_warmreset_reason :: [0x0]
check_ramdump_mode: reboot_mode=0xfdea6fe9 boot_mode =0x0
check_boot_mode, key Down[0], Up[1]
cable_type =0x0, reboot_mode=0xfdea6fe9
init_param
vibrator timer stopped
sm5703_set_regulator: LDO2 set [0]
before check_lpm_mode
muic_get_charger_status
[battery] cable_type adc (0)
is_reboot_case =0
cable_status = 0
enter normal booting mode
AST_POWERON
shutdown status = (4)

Not entirely sure how to interpret this.