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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > Easy-Jtag

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Old 03-09-2020, 13:35   #1 (permalink)
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realme 2 Blocks Reading Error (0x42800400 , 2 , Reason: CMD CRC Error )

phone come to lock remove

tell me how to solve this issue


Z3X EasyJtag Software ver.
Loading eMMC GEN2 Firmware... IO: 3300 mV
Box S/N: 8C30F9F3F3B1121F, ,FW Ver.: 02.50
CMD Pullup Level:1916 mV
CMD Active Level:3135 mV
Box IO Level:3300 mV
CLK Rate:18000 kHz
Bus Width:1bit,SDR
HiPower mode is ON!
---------- eMMC Device Information ----------

eMMC CID : 90014A484347386134A24C7ACE1FB51D
eMMC CSD : D02701328F5903FFFFFFFFEF8A400027
eMMC Manufacturer ID: 0090 , OEM ID: 014A
eMMC Date: 11/2018 Rev.0xA2
eMMC NAME: HCG8a4 , S/N: 1283116575
eMMC NAME (HEX): 484347386134
EMMC ROM1 (Main User Data) Capacity: 59640 MB
EMMC ROM2 (Boot Partition 1) Capacity: 4096 kB
EMMC ROM3 (Boot Partition 2) Capacity: 4096 kB
EMMC RPMB (Replay Protected Memory Block) Capacity: 4096 kB
EMMC RPMB is not yet programmed (clear) or RPMB Read failure
EMMC Permanent Write Protection: No
EMMC Temporary Write Protection: No
EMMC Password Locked: No
Extended CSD rev 1.8 (MMC 5.1)
Boot configuration [PARTITION_CONFIG: 0x38] Boot from:ROM1 (Main User Area)
Boot bus config [177]: 0x00 , width 1bit , Partition config [179]: 0x38.
H/W reset function [RST_N_FUNCTION]: 0x01
High-capacity WP group size [HC_WP_GRP_SIZE: 0x00004000]
Partitioning Support [PARTITIONING_SUPPORT]: 0x07
Device support partitioning feature
Device can have enhanced tech.
Partitioning Setting [PARTITION_SETTING_COMPLETED]: 0x00
Backup saved: HCG8a4_1283116575_20200309_1801.extcsd
Found valid GPT with protective MBR; using GPT.
Real (Hardware) Disk/Image size: 747C000 sectors 58.2 GiB
Soft (Partitioned) Disk/Image size: 747BFBC sectors 58.2 GiB
Disk identifier (GUID): 98101B32-BBE2-4BF2-A06E-2BB33D000C20
Logical sector size: 0x200 bytes ,First/Last usable sector: 34,122142686
Partition info successfully found
------ Android information ------
Detected LINUX(Android) SYSTEM : 0x0042800000 (3.352GB)
Blocks Reading Error (0x42800400 , 2 , Reason: CMD CRC Error )
Unable to mount SYSTEM , code : 5
Detected USERDATA USERDATA : 0x015B800000 (52.811GB)
Blocks Reading Error (0x15B800400 , 2 , Reason: CMD CRC Error )
Unable to mount USERDATA , code : 5
Userdata Superblock contents::
78014C44 540757EF 9828AA4A C55E54D2 467C4FCB 6FBF550D 669D2CD5 C729BDAF x.LDT.W.(J^TF|OoU.f.,);
4A098F17 C051F0E1 6D3B85D6 4054929E DD906707 CAC4467D D7A3C5A0 CBE2F3D8 J ..Qm;@T.g.F}ף*;
E60F6665 8B53760B 5ACF06D7 ED912856 3512185B 8BEC0016 CF58B745 43E53353 .feSv.Z.(V5..[..XEC3S;
91C6C17D 5494EEAC 74AB2E8D 43613EFC 6EFF428A 58B1EC8F A9B5C7FC D158EADE }Tt..Ca>nBX.X;
F22AA62F 3155A8E6 8460A17C 8EE1AE06 56E380DD A3DC8184 4DC50186 E9ED4FC6 */1U`|.V.ݣ.M.O;
BE70D674 108AEAAD B58985FC 850C57A5 19ADBF11 07A836AD D2A6C35B 2C9B0DC9 pt.*.W.*..6*Ҧ[,.;
E18FF626 8511D0F6 D3438964 4CC1F62B 9003648D EA7D43D7 C29A95DA AD3C762B .&.CdL+..d.}Cš*<v+;
2E556038 0BB9F700 CAF50D13 8C7F088F A70534FB 14A430CD 40262888 C5F35A03 .U`8........4.0@&(.Z.;
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Old 03-10-2020, 13:08   #2 (permalink)
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no one in forum to solve this issue
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Old 03-10-2020, 14:27   #3 (permalink)
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First you need select correct IO voltage
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The Following User Says Thank You to layder For This Useful Post:
Old 03-11-2020, 05:42   #4 (permalink)
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Originally Posted by layder View Post
First you need select correct IO voltage
thanks bro for ur replay

if i select 2.8 and 1.8 volts then emmc not detected
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Old 03-11-2020, 09:18   #5 (permalink)
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change vcc vccq or connect hi power usb 1.5ma charger
best connnect battery without usb charger and press power button of your mobile
and check emmc ,i have done many times.
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