Best All mobile Repairing solutions

Unknown

Samsung M5650 Specification

General-2G Network-GSM 900 / 1800
SIM-Mini-SIM
Announced-2010, April
Status-Available. Released 2010, April
Body-Dimensions-108.7 x 46.1 x 14.1 mm
(4.28 x 1.81 x 0.56 in)
Weight-72 g (2.54 oz)
Display-Type CSTN, 65K colors
Size-128 x 128 pixels, 1.52 inches
(~119 ppi pixel density)

Samsung M5650 Flash Files or Latest Firmwares Free Download Here

M5650U

M5650UZCJF1

Unknown

Samsung M3710 Specification

General-2G Network-GSM 900 / 1800
SIM-Mini-SIM
Announced-2010, April
Status-Available. Released 2010, April
Body-Dimensions-108.7 x 46.1 x 14.1 mm
(4.28 x 1.81 x 0.56 in)
Weight-72 g (2.54 oz)
Display-Type CSTN, 65K colors
Size-128 x 128 pixels, 1.52 inches
(~119 ppi pixel density)

Samsung M3710 Flash Files or Latest Firmwares Free Download Here

M3710

M3710XEJB1 - M3710XEJA9 - M3710JPJH1 - M3710JPJB4 - M3710JPJD1 - M3710VJJC2

Unknown

Samsung M3510 Specification

General-2G Network-GSM 900 / 1800
SIM-Mini-SIM
Announced-2010, April
Status-Available. Released 2010, April
Body-Dimensions-108.7 x 46.1 x 14.1 mm
(4.28 x 1.81 x 0.56 in)
Weight-72 g (2.54 oz)
Display-Type CSTN, 65K colors
Size-128 x 128 pixels, 1.52 inches
(~119 ppi pixel density)

Samsung M3510 Flash Files or Latest Firmwares Free Download Here

M3510

M3510XDHJ2 - M3510XDHJ3 - M3510BDHK1 - M3510CJIC2 - M3510CXHK1 - M3510DDIG2 - M3510DXID1 - M3510JPHJ1 - M3510JVIG1 - M3510RJHK2 - M3510UTHI2 - M3510VGHI3 - M3510XAHJ2 - M3510XCHJ4 - M3510XEHJ2 - M3510XFHK2

Unknown

Samsung M3310 Specification

General-2G Network-GSM 900 / 1800
SIM-Mini-SIM
Announced-2010, April
Status-Available. Released 2010, April
Body-Dimensions-108.7 x 46.1 x 14.1 mm
(4.28 x 1.81 x 0.56 in)
Weight-72 g (2.54 oz)
Display-Type CSTN, 65K colors
Size-128 x 128 pixels, 1.52 inches
(~119 ppi pixel density)

Samsung M3310 Flash Files or Latest Firmwares Free Download Here M3310

M3310XEIH4 - M3310XEIJ2 - M3310XEIJ4 - M3310XXII7

Unknown

Samsung M3200 Specification

General-2G Network-GSM 900 / 1800
SIM-Mini-SIM
Announced-2010, April
Status-Available. Released 2010, April
Body-Dimensions-108.7 x 46.1 x 14.1 mm
(4.28 x 1.81 x 0.56 in)
Weight-72 g (2.54 oz)
Display-Type CSTN, 65K colors
Size-128 x 128 pixels, 1.52 inches
(~119 ppi pixel density)

Samsung M3200 Flash Files or Latest Firmwares Free Download Here

M3200

M3200JVIF2 - M3200JVIG3 - M3200XAIC1 - M3200XCIC1 - M3200XFHK4 - M3200POHK1 - M3200JCHJ1 - M3200BXIC1 - M3200BXHK1 - M3200BDHK1 - M3200AYHJ3

Unknown

What's new ?1- AllWinner Imei Repair2- bestmobilerepairingsolutions New BroadCom Based Imei Repair3- Remove Some Old & Useless ThingsTelenor pro239 – Read User Code (Possible with other MT6250 CPU SUPPORTED ALSO)/Now have full support bestmobilerepairingsolutions
(Flashing, Format, Direct Unlock, Read User Code).
OT-S319 – READ USER CODE bestmobilerepairingsolutions
OT-632G – Flashing, Format, Direct Unlock, READ INFO) – TEST MODE.
OT-632D – Flashing, Format, Direct Unlock, READ INFO) – TEST MODE.
Doro 607 - Direct Unlock, Read info, Format, Read Simlock. bestmobilerepairingsolutions
Doro 611 (New Security) - Direct Unlock, Read info, Format, Read Simlock.
Verykool S139 - Direct Unlock, Read info, Format, Read Simlock.
TechMobile by Telenor - Direct Unlock, bestmobilerepairingsolutions Read info, Format, Read Simlock.

HUAWEI MTK FULL SUPPORT

G2800 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G2800D - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G2800S - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3500 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3501 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G3510 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3511 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3512 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3610 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3620 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G3620D - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3621 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3621L - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G5500 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5500D - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5500S - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G5510 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5520 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5521 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5730 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G5760 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6003 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6005 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G6006 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6007 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6150 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G6153 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6310 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6600 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6603 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6605 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G6608 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6610 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6622 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G6800 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7002 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7007 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7010 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7050 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G7105 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7210 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7220v - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. bestmobilerepairingsolutions
G7300 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
bestmobilerepairingsolutions
Android MTK Based Phones Added:
Here is List & Supported Features:
bestmobilerepairingsolutions
OT-5020N - READ CODES/RESET/Write Firmware/Repair Software Issues Via Flashing/Change Language Via Flashing. bestmobilerepairingsolutions
OT-970 - READ CODES/RESET/Write Firmware/Repair Software Issues Via Flashing/Change Language Via Flashing.
OT-975 - READ CODES/RESET/Write Firmware/Repair Software Issues Via Flashing/Change Language Via Flashing. bestmobilerepairingsolutions
OT-972 - READ CODES/RESET/Write Firmware/Repair Software Issues Via Flashing/Change Language Via Flashing. bestmobilerepairingsolutions

ADDED CALCULATE CODE FROM BACKUP FOR EMMC ALCATEL PHONES, NEED ONCE TO READ CODES & AFTER USER CAN USE IMEI & PID From BACKUP.
bestmobilerepairingsolutions
OT-4030 - CALCULATE CODE FROM BACKUP SAVED.
OT-4030A - CALCULATE CODE FROM BACKUP SAVED.
OT-4030E - CALCULATE CODE FROM BACKUP SAVED.
OT-4030X - CALCULATE CODE FROM BACKUP SAVED.
OT-4030D - CALCULATE CODE FROM BACKUP SAVED.
OT-5020 - CALCULATE CODE FROM BACKUP SAVED.
OT-5020D - CALCULATE CODE bestmobilerepairingsolutions FROM BACKUP SAVED.
OT-5020E - CALCULATE CODE bestmobilerepairingsolutions FROM BACKUP SAVED.
OT-5021 - CALCULATE CODE FROM BACKUP SAVED.
OT-5035 - CALCULATE CODE FROM BACKUP SAVED.
VF-875 - CALCULATE CODE FROM BACKUP SAVED.
VF-875X - CALCULATE CODE FROM BACKUP SAVED.
VF-975 - CALCULATE CODE FROM BACKUP SAVED.
OT-997 - CALCULATE CODE FROM BACKUP SAVED.
OT-997D - CALCULATE CODE FROM BACKUP SAVED.
OT-970 - CALCULATE CODE FROM BACKUP SAVED.
OT-970H - CALCULATE CODE FROM BACKUP SAVED.
OT-972 - CALCULATE CODE FROM BACKUP SAVED.
OT-5020T - CALCULATE CODE FROM BACKUP SAVED.
OT-5020N - CALCULATE CODE FROM BACKUP SAVED.
OT-6010 - CALCULATE CODE FROM BACKUP SAVED.
OT-6010D - CALCULATE CODE FROM BACKUP SAVED.
OT-6030 - CALCULATE CODE FROM BACKUP SAVED.
OT-6033 - CALCULATE CODE FROM BACKUP SAVED.
OT-975 - CALCULATE CODE FROM BACKUP SAVED.
OT-5020T - World's First - Read Unlock code/ Format/ Write Flash/ Change Language Via Flashing/ Repair Via Flashing/ Reset. bestmobilerepairingsolutions

Added New Method of Unlocking for the Following Models:

Download

Unknown

What's new ?1- AllWinner Imei Repair2- free-mobile-solutions New BroadCom Based Imei Repair3- Remove Some Old & Useless ThingsTelenor pro239 – Read User Code (Possible with other MT6250 CPU SUPPORTED ALSO)/Now have full support free-mobile-solutions
(Flashing, Format, Direct Unlock, Read User Code).
OT-S319 – READ USER CODE free-mobile-solutions
OT-632G – Flashing, Format, Direct Unlock, READ INFO) – TEST MODE.
OT-632D – Flashing, Format, Direct Unlock, READ INFO) – TEST MODE.
Doro 607 - Direct Unlock, Read info, Format, Read Simlock. free-mobile-solutions
Doro 611 (New Security) - Direct Unlock, Read info, Format, Read Simlock.
Verykool S139 - Direct Unlock, Read info, Format, Read Simlock.
TechMobile by Telenor - Direct Unlock, free-mobile-solutions Read info, Format, Read Simlock.

HUAWEI MTK FULL SUPPORT

G2800 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G2800D - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G2800S - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3500 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3501 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G3510 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3511 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3512 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3610 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3620 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G3620D - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3621 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G3621L - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G5500 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5500D - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5500S - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G5510 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5520 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5521 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G5730 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G5760 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6003 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6005 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G6006 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6007 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6150 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G6153 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6310 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6600 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6603 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6605 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G6608 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6610 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G6622 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G6800 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7002 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7007 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7010 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7050 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G7105 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7210 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
G7220v - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager. free-mobile-solutions
G7300 - Unlock/Write Flash/IMEI Repair/Change Language Via Flashing/Repair Software Via Flashing/Format/User Data/File Manager.
free-mobile-solutions
Android MTK Based Phones Added:
Here is List & Supported Features:
free-mobile-solutions
OT-5020N - READ CODES/RESET/Write Firmware/Repair Software Issues Via Flashing/Change Language Via Flashing. free-mobile-solutions
OT-970 - READ CODES/RESET/Write Firmware/Repair Software Issues Via Flashing/Change Language Via Flashing.
OT-975 - READ CODES/RESET/Write Firmware/Repair Software Issues Via Flashing/Change Language Via Flashing. free-mobile-solutions
OT-972 - READ CODES/RESET/Write Firmware/Repair Software Issues Via Flashing/Change Language Via Flashing. free-mobile-solutions

ADDED CALCULATE CODE FROM BACKUP FOR EMMC ALCATEL PHONES, NEED ONCE TO READ CODES & AFTER USER CAN USE IMEI & PID From BACKUP.
free-mobile-solutions
OT-4030 - CALCULATE CODE FROM BACKUP SAVED.
OT-4030A - CALCULATE CODE FROM BACKUP SAVED.
OT-4030E - CALCULATE CODE FROM BACKUP SAVED.
OT-4030X - CALCULATE CODE FROM BACKUP SAVED.
OT-4030D - CALCULATE CODE FROM BACKUP SAVED.
OT-5020 - CALCULATE CODE FROM BACKUP SAVED.
OT-5020D - CALCULATE CODE free-mobile-solutions FROM BACKUP SAVED.
OT-5020E - CALCULATE CODE free-mobile-solutions FROM BACKUP SAVED.
OT-5021 - CALCULATE CODE FROM BACKUP SAVED.
OT-5035 - CALCULATE CODE FROM BACKUP SAVED.
VF-875 - CALCULATE CODE FROM BACKUP SAVED.
VF-875X - CALCULATE CODE FROM BACKUP SAVED.
VF-975 - CALCULATE CODE FROM BACKUP SAVED.
OT-997 - CALCULATE CODE FROM BACKUP SAVED.
OT-997D - CALCULATE CODE FROM BACKUP SAVED.
OT-970 - CALCULATE CODE FROM BACKUP SAVED.
OT-970H - CALCULATE CODE FROM BACKUP SAVED.
OT-972 - CALCULATE CODE FROM BACKUP SAVED.
OT-5020T - CALCULATE CODE FROM BACKUP SAVED.
OT-5020N - CALCULATE CODE FROM BACKUP SAVED.
OT-6010 - CALCULATE CODE FROM BACKUP SAVED.
OT-6010D - CALCULATE CODE FROM BACKUP SAVED.
OT-6030 - CALCULATE CODE FROM BACKUP SAVED.
OT-6033 - CALCULATE CODE FROM BACKUP SAVED.
OT-975 - CALCULATE CODE FROM BACKUP SAVED.
OT-5020T - World's First - Read Unlock code/ Format/ Write Flash/ Change Language Via Flashing/ Repair Via Flashing/ Reset. free-mobile-solutions

Added New Method of Unlocking for the Following Models:

Download

Best All mobile Repairing solutions