Display screen or portion thereof with transitional graphical user interface

FIG. 1 is a front view of a first image in a sequence for a display screen or portion thereof with transitional graphical user interface showing our new design in accordance with a first embodiment, wherein the display screen is flat except that it is curved on the right side;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof;

FIG. 5 is a front view of a fifth image thereof;

FIG. 6 is a front view of a sixth image thereof;

FIG. 7 is a front view of a seventh image thereof;

FIG. 8 is a front view of an eighth image thereof;

FIG. 9 is a front view of a ninth image thereof;

FIG. 10 is a front view of a tenth image thereof;

FIG. 11 is a front view of an eleventh image thereof;

FIG. 12 is a right-side view of the image shown in FIG. 1 ;

FIG. 13 is a right-side view of the image shown in FIG. 2 ;

FIG. 14 is a right-side view of the image shown in FIG. 3 ;

FIG. 15 is a right-side view of the image shown in FIG. 4 ;

FIG. 16 is a right-side view of the image shown in FIG. 5 ;

FIG. 17 is a right-side view of the image shown in FIG. 6 ;

FIG. 18 is a right-side view of the image shown in FIG. 7 ;

FIG. 19 is a right-side view of the image shown in FIG. 8 ;

FIG. 20 is a right-side view of the image shown in FIG. 9 ;

FIG. 21 is a right-side view of the image shown in FIG. 10 ;

FIG. 22 is a right-side view of the image shown in FIG. 11 ;

FIG. 23 is a front view of a first image in a sequence for a display screen or portion thereof with transitional graphical user interface showing our new design in accordance with a second embodiment, wherein the display screen is flat except that it is curved on the left side;

FIG. 24 is a front view of a second image thereof;

FIG. 25 is a front view of a third image thereof;

FIG. 26 is a front view of a fourth image thereof;

FIG. 27 is a front view of a fifth image thereof;

FIG. 28 is a front view of a sixth image thereof;

FIG. 29 is a front view of a seventh image thereof;

FIG. 30 is a front view of an eighth image thereof;

FIG. 31 is a front view of a ninth image thereof;

FIG. 32 is a front view of a tenth image thereof;

FIG. 33 is a front view of an eleventh image thereof;

FIG. 34 is a left-side view of the image shown in FIG. 23 ;

FIG. 35 is a left-side view of the image shown in FIG. 24 ;

FIG. 36 is a left-side view of the image shown in FIG. 25 ;

FIG. 37 is a left-side view of the image shown in FIG. 26 ;

FIG. 38 is a left-side view of the image shown in FIG. 27 ;

FIG. 39 is a left-side view of the image shown in FIG. 28 ;

FIG. 40 is a left-side view of the image shown in FIG. 29 ;

FIG. 41 is a left-side view of the image shown in FIG. 30 ;

FIG. 42 is a left-side view of the image shown in FIG. 31 ;

FIG. 43 is a left-side view of the image shown in FIG. 32 ;

FIG. 44 is a left-side view of the image shown in FIG. 33 ;

FIG. 45 is the image shown in FIG. 1 , with broken lines showing a mobile phone to illustrate an example environment;

FIG. 46 is the image shown in FIG. 2 , with broken lines showing a mobile phone to illustrate an example environment;

FIG. 47 is the image shown in FIG. 3 , with broken lines showing a mobile phone to illustrate an example environment;

FIG. 48 is the image shown in FIG. 4 , with broken lines showing a mobile phone to illustrate an example environment;

FIG. 49 is the image shown in FIG. 5 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 50 is the image shown in FIG. 6 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 51 is the image shown in FIG. 7 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 52 is the image shown in FIG. 8 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 53 is the image shown in FIG. 9 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 54 is the image shown in FIG. 10 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 55 is the image shown in FIG. 11 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 56 is the image shown in FIG. 12 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 57 is the image shown in FIG. 13 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 58 is the image shown in FIG. 14 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 59 is the image shown in FIG. 15 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 60 is the image shown in FIG. 16 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 61 is the image shown in FIG. 17 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 62 is the image shown in FIG. 18 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 63 is the image shown in FIG. 19 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 64 is the image shown in FIG. 20 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 65 is the image shown in FIG. 21 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 66 is the image shown in FIG. 22 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 67 is the image shown in FIG. 23 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 68 is the image shown in FIG. 24 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 69 is the image shown in FIG. 25 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 70 is the image shown in FIG. 26 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 71 is the image shown in FIG. 27 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 72 is the image shown in FIG. 28 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 73 is the image shown in FIG. 29 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 74 is the image shown in FIG. 30 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 75 is the image shown in FIG. 31 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 76 is the image shown in FIG. 32 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 77 is the image shown in FIG. 33 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 78 is the image shown in FIG. 34 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 79 is the image shown in FIG. 35 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 80 is the image shown in FIG. 36 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 81 is the image shown in FIG. 37 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 82 is the image shown in FIG. 38 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 83 is the image shown in FIG. 39 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 84 is the image shown in FIG. 40 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 85 is the image shown in FIG. 41 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 86 is the image shown in FIG. 42 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 87 is the image shown in FIG. 43 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 88 is the image shown in FIG. 44 , with additional broken lines showing a mobile phone to illustrate an example environment;

FIG. 89 is a rear view of the images shown in FIGS. 45-66 ;

FIG. 90 is a left-side view of the images shown in FIGS. 45-66 ;

FIG. 91 is a top view of the images shown in FIGS. 45-66 ;

FIG. 92 is a bottom view of the images shown in FIGS. 45-66 ;

FIG. 93 is a rear view of the images shown in FIGS. 67-88 ;

FIG. 94 is a right-side view of the images shown in FIGS. 67-88 ;

FIG. 95 is a top view of the images shown in FIGS. 67-88 ; and,

FIG. 96 is a bottom view of the images shown in FIGS. 67-88 .

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-11, 12-22, 23-33, 34-44, 45-55, 56-66, 67-77 and 78-88 . The process or period in which one image transitions to another image forms no part of the claimed design. The broken lines in FIGS. 1-44 show portions of the display screen or portion thereof with transitional graphical user interface and form no part of the claimed design. The broken lines in FIGS. 45-96 show portions of the display screen or portion thereof with transitional graphical user interface and the mobile phone and form no part of the claimed design.