Hard reset Symphony smartphones (factory reset)

Symphony Z10

Symphony Z15

Symphony V98

Symphony V94

Symphony V96

Symphony V97

Symphony V92

Symphony V48

Symphony V75m

Symphony V47

Symphony V44

Symphony V155

Symphony V150

Symphony V145

Symphony V142

Symphony V141

Symphony V140

Symphony V135

Symphony V130

Symphony V128

Symphony V120

Symphony Roar V95

Symphony Roar V78

Symphony Roar V150

Symphony P11

Symphony P9+

Symphony R40

Symphony i90

Symphony i95

Symphony INova

Symphony i72

Symphony i75

Symphony i20

Symphony i65

Symphony i70

Symphony i18

Symphony i120

Symphony i15

Symphony i100

Symphony i110

Symphony G20

Symphony i10

Symphony E90

Symphony G100